How best I can tune this query

select /*+ first_rows index(WI,WF_ITEMS_N3) */
WI.END_DATE, WI.ITEM_TYPE, WI.ITEM_KEY
from WF_ITEMS WI
where WI.END_DATE <= SYSDATE
and WI.END_DATE > to_date(1, 'J')
and exists
(select null
from WF_ITEM_TYPES WIT
where WI.END_DATE+nvl(WIT.PERSISTENCE_DAYS,0)<=SYSDATE
and WI.ITEM_TYPE = WIT.NAME
and WIT.PERSISTENCE_TYPE = 'TEMP')
and not exists
(select null
from WF_ITEMS WI2
WHERE WI2.END_DATE IS NULL
START WITH WI2.ITEM_TYPE = WI.ITEM_TYPE
AND WI2.ITEM_KEY = WI.ITEM_KEY
CONNECT BY PRIOR WI2.ITEM_TYPE = WI2.PARENT_ITEM_TYPE
AND PRIOR WI2.ITEM_KEY = WI2.PARENT_ITEM_KEY
UNION ALL
select null
from WF_ITEMS WI2
WHERE WI2.END_DATE IS NULL
START WITH WI2.ITEM_TYPE = WI.ITEM_TYPE
AND WI2.ITEM_KEY = WI.ITEM_KEY
CONNECT BY PRIOR WI2.PARENT_ITEM_TYPE = WI2.ITEM_TYPE
AND PRIOR WI2.PARENT_ITEM_KEY = WI2.ITEM_KEY)
| Id  | Operation                        | Name             | Rows  | Bytes | Cost (%CPU)|
|   0 | SELECT STATEMENT                 |                  |  7576 |   199K|   257K  (1)|
|*  1 |  FILTER                          |                  |       |       |            |
|*  2 |   FILTER                         |                  |       |       |            |
|   3 |    TABLE ACCESS BY INDEX ROWID   | WF_ITEMS         |  3121K|    80M|   226K  (1)|
|*  4 |     INDEX RANGE SCAN             | WF_ITEMS_N3      |  3063K|       | 19441   (1)|
|*  5 |   TABLE ACCESS BY INDEX ROWID    | WF_ITEM_TYPES    |     1 |    16 |     2   (0)|
|*  6 |    INDEX UNIQUE SCAN             | WF_ITEM_TYPES_PK |     1 |       |     1   (0)|
|   7 |   UNION-ALL                      |                  |       |       |            |
|*  8 |    FILTER                        |                  |       |       |            |
|*  9 |     CONNECT BY WITH FILTERING    |                  |       |       |            |
|  10 |      TABLE ACCESS BY INDEX ROWID | WF_ITEMS         |       |       |            |
|* 11 |       INDEX UNIQUE SCAN          | WF_ITEMS_PK      |     1 |    19 |     2   (0)|
|  12 |      NESTED LOOPS                |                  |       |       |            |
|  13 |       BUFFER SORT                |                  |       |       |            |
|  14 |        CONNECT BY PUMP           |                  |       |       |            |
|  15 |       TABLE ACCESS BY INDEX ROWID| WF_ITEMS         |     1 |    32 |     4   (0)|
|* 16 |        INDEX RANGE SCAN          | WF_ITEMS_N1      |     1 |       |     3   (0)|
|* 17 |      TABLE ACCESS FULL           | WF_ITEMS         |     1 |    32 |     4   (0)|
|* 18 |    FILTER                        |                  |       |       |            |
|* 19 |     CONNECT BY WITH FILTERING    |                  |       |       |            |
|  20 |      TABLE ACCESS BY INDEX ROWID | WF_ITEMS         |       |       |            |
|* 21 |       INDEX UNIQUE SCAN          | WF_ITEMS_PK      |     1 |    19 |     2   (0)|
|  22 |      NESTED LOOPS                |                  |       |       |            |
|  23 |       BUFFER SORT                |                  |       |       |            |
|  24 |        CONNECT BY PUMP           |                  |       |       |            |
|  25 |       TABLE ACCESS BY INDEX ROWID| WF_ITEMS         |     1 |    32 |     3   (0)|
|* 26 |        INDEX UNIQUE SCAN         | WF_ITEMS_PK      |     1 |       |     2   (0)|
|* 27 |      TABLE ACCESS FULL           | WF_ITEMS         |     1 |    32 |     3   (0)|
------------------------------------------------------------------------------------------The query is taking too much time to excute (more than 3-4 hrs)and just by seing the plan table output and reducing the cost I dont think I will get properly tuned query.Also is it advisable I remove the hint.
Thanks.
Message was edited by:
user486336

Below is the plan after removing the hint.
| Id  | Operation                        | Name             | Rows  | Bytes | Cost (%CPU)|
|   0 | SELECT STATEMENT                 |                  |  7576 |   199K| 85381   (1)|
|*  1 |  FILTER                          |                  |       |       |            |
|*  2 |   FILTER                         |                  |       |       |            |
|*  3 |    TABLE ACCESS FULL             | WF_ITEMS         |  3121K|    80M| 54424   (1)|
|*  4 |   TABLE ACCESS BY INDEX ROWID    | WF_ITEM_TYPES    |     1 |    16 |     2   (0)|
|*  5 |    INDEX UNIQUE SCAN             | WF_ITEM_TYPES_PK |     1 |       |     1   (0)|
|   6 |   UNION-ALL                      |                  |       |       |            |
|*  7 |    FILTER                        |                  |       |       |            |
|*  8 |     CONNECT BY WITH FILTERING    |                  |       |       |            |
|   9 |      TABLE ACCESS BY INDEX ROWID | WF_ITEMS         |       |       |            |
|* 10 |       INDEX UNIQUE SCAN          | WF_ITEMS_PK      |     1 |    19 |     2   (0)|
|  11 |      NESTED LOOPS                |                  |       |       |            |
|  12 |       BUFFER SORT                |                  |       |       |            |
|  13 |        CONNECT BY PUMP           |                  |       |       |            |
|  14 |       TABLE ACCESS BY INDEX ROWID| WF_ITEMS         |     1 |    32 |     4   (0)|
|* 15 |        INDEX RANGE SCAN          | WF_ITEMS_N1      |     1 |       |     3   (0)|
|* 16 |      TABLE ACCESS FULL           | WF_ITEMS         |     1 |    32 |     4   (0)|
|* 17 |    FILTER                        |                  |       |       |            |
|* 18 |     CONNECT BY WITH FILTERING    |                  |       |       |            |
|  19 |      TABLE ACCESS BY INDEX ROWID | WF_ITEMS         |       |       |            |
|* 20 |       INDEX UNIQUE SCAN          | WF_ITEMS_PK      |     1 |    19 |     2   (0)|
|  21 |      NESTED LOOPS                |                  |       |       |            |
|  22 |       BUFFER SORT                |                  |       |       |            |
|  23 |        CONNECT BY PUMP           |                  |       |       |            |
|  24 |       TABLE ACCESS BY INDEX ROWID| WF_ITEMS         |     1 |    32 |     3   (0)|
|* 25 |        INDEX UNIQUE SCAN         | WF_ITEMS_PK      |     1 |       |     2   (0)|
|* 26 |      TABLE ACCESS FULL           | WF_ITEMS         |     1 |    32 |     3   (0)|
------------------------------------------------------------------------------------------The cost has gone down but throughput has not improved.
Also I have read very often the low cost does not indicate better throughput time.How true it is?
Thanks
Also when I change the where clause to
where SYSDATE-WI.END_DATE>=0
and WI.END_DATE-to_date(1, 'J')>0
the cost goes further down in the plan
| Id  | Operation                        | Name             | Rows  | Bytes | Cost (%CPU)|
|   0 | SELECT STATEMENT                 |                  |    19 |   513 | 55389   (2)|
|*  1 |  FILTER                          |                  |       |       |            |
|*  2 |   TABLE ACCESS FULL              | WF_ITEMS         |  7983 |   210K| 54495   (2)|
|*  3 |   TABLE ACCESS BY INDEX ROWID    | WF_ITEM_TYPES    |     1 |    16 |     2   (0)|
|*  4 |    INDEX UNIQUE SCAN             | WF_ITEM_TYPES_PK |     1 |       |     1   (0)|
|   5 |   UNION-ALL                      |                  |       |       |            |
|*  6 |    FILTER                        |                  |       |       |            |
|*  7 |     CONNECT BY WITH FILTERING    |                  |       |       |            |
|   8 |      TABLE ACCESS BY INDEX ROWID | WF_ITEMS         |       |       |            |
|*  9 |       INDEX UNIQUE SCAN          | WF_ITEMS_PK      |     1 |    19 |     2   (0)|
|  10 |      NESTED LOOPS                |                  |       |       |            |
|  11 |       BUFFER SORT                |                  |       |       |            |
|  12 |        CONNECT BY PUMP           |                  |       |       |            |
|  13 |       TABLE ACCESS BY INDEX ROWID| WF_ITEMS         |     1 |    32 |     4   (0)|
|* 14 |        INDEX RANGE SCAN          | WF_ITEMS_N1      |     1 |       |     3   (0)|
|* 15 |      TABLE ACCESS FULL           | WF_ITEMS         |     1 |    32 |     4   (0)|
|* 16 |    FILTER                        |                  |       |       |            |
|* 17 |     CONNECT BY WITH FILTERING    |                  |       |       |            |
|  18 |      TABLE ACCESS BY INDEX ROWID | WF_ITEMS         |       |       |            |
|* 19 |       INDEX UNIQUE SCAN          | WF_ITEMS_PK      |     1 |    19 |     2   (0)|
|  20 |      NESTED LOOPS                |                  |       |       |            |
|  21 |       BUFFER SORT                |                  |       |       |            |
|  22 |        CONNECT BY PUMP           |                  |       |       |            |
|  23 |       TABLE ACCESS BY INDEX ROWID| WF_ITEMS         |     1 |    32 |     3   (0)|
|* 24 |        INDEX UNIQUE SCAN         | WF_ITEMS_PK      |     1 |       |     2   (0)|
|* 25 |      TABLE ACCESS FULL           | WF_ITEMS         |     1 |    32 |     3   (0)|
------------------------------------------------------------------------------------------Message was edited by:
user486336

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    I have a select query which retrieve data from 10 tables and around 4 tables having 2-4 Lac record and rest are having 80,000 - 1 Lac record.
    It is taking around 7-8 seconds to fetch 55000 record.
    I was strictly told by the client that i should not use HINTS in my query. My query is below. Please help me what other way i can tune this select query..
    select
    CT.CUST_ID
    ,CT.ROMANISED_SURNAME
    ,CT.SURNAME
    ,CT.ROMANISED_GIVEN_NAME
    ,CT.GIVEN_NAME
    ,CT.ROMANISED_MIDDLE_NAME
    ,CT.MIDDLE_NAME
    ,CT.ROMANISED_NAME_SUFFIX
    ,CT.NAME_SUFFIX
    ,CT.ROMANISED_TITLE
    ,CT.TITLE
    ,CT.ROMANISED_NAME_INITIALS
    ,CT.NAME_INITIALS
    ,CT.NAME_TEXT
    ,CT.CUST_JRNY_ID
    ,RK.REMARK_TYPE
    ,RK.REMARK_ID+CT.CUST_ID as REMARK_ID
    ,RK.REMARK_STATUS
    ,RK.REMARK_TEXT
    ,RK.HOST_ONLY_IND
    ,RK.SUPERVISORY_IND
    ,RK.CUST_COMM_IND
    ,RK.REMARK_SEQ
    ,RK.REMARK_CODE
    ,RK.DEFAULT_CUST_REL_IND
    ,RK.DEFAULT_FLIGHT_SEG_REL_IND
    ,RK.IATA_CODE
    ,RK.ICAO_CODE
    ,CJ.RECORD_LOCATOR "SITA_RECORD_LOCATOR"
    ,Cjv.Record_Locator "ORIGINATOR_RECORD_LOCATOR"
    ,FS.TRAVELLING_GROUP_CODE
    ,CG.GROUP_NAME
    FROM FLIGHT_LEG FL
    ,CUST_FLIGHT_LEG CFL
    ,CUST CT
    ,CUST_REMARK CTR
    ,REMARK RK
    ,FLIGHT_SEG_FLIGHT_LEG FSFL
    ,FLIGHT_SEG FS
    ,CUST_JRNY CJ
    ,CUST_JRNY_VERSION CJV
    ,CUST_GROUP CG
    WHERE FL.OPR_FLIGHT_NUMBER = 1--I_OPR_FLIGHT_NUMBER
    and FL.HISTORY_VERSION_NUMBER = 0
    and FL.DEPARTURE_STATION_CODE = 'DEL'--I_DEPARTURE_STATION_CODE
    and FL.DEPARTURE_DATETIME = TO_DATE('10-DEC-2012 18.45.00', 'DD-MON-YYYY HH24.MI.SS')
    and FL.OPR_SERVICE_PROVIDER_CODE= 'AI'--i_opr_service_provider_code
    and FL.OPR_FLIGHT_SUFFIX = 'A'--NVL(I_OPR_FLIGHT_SUFFIX, FL.OPR_FLIGHT_SUFFIX)
    AND FL.FLIGHT_LEG_ID = CFL.FLIGHT_LEG_ID
    AND CFL.CUST_ID = CT.CUST_ID
    AND FL.FLIGHT_LEG_ID=FSFL.FLIGHT_LEG_ID
    AND FSFL.FLIGHT_SEG_ID=FS.FLIGHT_SEG_ID
    AND CT.CUST_ID = CTR.CUST_ID(+)
    AND CTR.REMARK_ID = RK.REMARK_ID(+)
    AND FL.CUST_JRNY_ID = CJ.CUST_JRNY_ID
    and CJ.CUST_JRNY_ID = CJV.CUST_JRNY_ID
    AND CG.CUST_JRNY_ID(+) = CT.CUST_JRNY_ID
    AND CFL.HISTORY_VERSION_NUMBER = 0
    AND CT.HISTORY_VERSION_NUMBER = 0
    AND NVL(CTR.HISTORY_VERSION_NUMBER,0) = 0
    AND NVL(RK.HISTORY_VERSION_NUMBER,0) = 0
    AND FS.HISTORY_VERSION_NUMBER = 0
    AND FSFL.HISTORY_VERSION_NUMBER = 0
    -- AND CJ.HISTORY_VERSION_NUMBER = 0
    and CJV.VERSION_NUMBER = 0 --- Need to check
    AND NVL(CG.HISTORY_VERSION_NUMBER,0) = 0
    order by CT.CUST_JRNY_ID,CT.CUST_ID;
    The Tables having record:
    select COUNT(*) from FLIGHT_LEG -----241756
    select COUNT(*) from CUST_FLIGHT_LEG---632585
    select COUNT(*) from CUST---240015
    select COUNT(*) from CUST_REMARK---73724
    select COUNT(*) from REMARK---73654
    select COUNT(*) from FLIGHT_SEG_FLIGHT_LEG---241789
    select COUNT(*) from FLIGHT_SEG----260004
    select COUNT(*) from CUST_JRNY----74288
    select COUNT(*) from CUST_JRNY_VERSION----74477
    select COUNT(*) from CUST_GROUP----55819
    Thanks,
    HP..

    Plan hash value: 3771714931
    | Id | Operation | Name | Rows | Bytes |TempSpc| Cost (%CPU)| Time | Pstart| Pstop |
    | 0 | SELECT STATEMENT | | 10239 | 2949K| | 7515 (1)| 00:01:31 | | |
    | 1 | SORT ORDER BY | | 10239 | 2949K| 3160K| 7515 (1)| 00:01:31 | | |
    |* 2 | HASH JOIN | | 10239 | 2949K| | 6864 (1)| 00:01:23 | | |
    | 3 | PARTITION HASH ALL | | 73687 | 1079K| | 417 (1)| 00:00:06 | 1 | 512 |
    |* 4 | TABLE ACCESS FULL | CUST_JRNY_VERSION | 73687 | 1079K| | 417 (1)| 00:00:06 | 1 | 512 |
    |* 5 | HASH JOIN | | 10239 | 2799K| | 6445 (1)| 00:01:18 | | |
    | 6 | PARTITION HASH ALL | | 73654 | 863K| | 178 (1)| 00:00:03 | 1 | 512 |
    | 7 | TABLE ACCESS FULL | CUST_JRNY | 73654 | 863K| | 178 (1)| 00:00:03 | 1 | 512 |
    |* 8 | FILTER | | | | | | | | |
    |* 9 | HASH JOIN RIGHT OUTER | | 10239 | 2679K| | 6267 (1)| 00:01:16 | | |
    | 10 | PARTITION HASH ALL | | 55315 | 756K| | 137 (1)| 00:00:02 | 1 | 512 |
    | 11 | TABLE ACCESS FULL | CUST_GROUP | 55315 | 756K| | 137 (1)| 00:00:02 | 1 | 512 |
    |* 12 | FILTER | | | | | | | | |
    |* 13 | HASH JOIN OUTER | | 10240 | 2540K| 2056K| 6129 (1)| 00:01:14 | | |
    |* 14 | FILTER | | | | | | | | |
    |* 15 | HASH JOIN RIGHT OUTER | | 10242 | 1930K| | 5531 (1)| 00:01:07 | | |
    | 16 | INDEX FAST FULL SCAN | CUST_REMARK_PK | 73677 | 935K| | 190 (0)| 00:00:03 | | |
    |* 17 | HASH JOIN | | 10257 | 1802K| | 5339 (1)| 00:01:05 | | |
    |* 18 | HASH JOIN | | 10257 | 701K| | 3516 (1)| 00:00:43 | | |
    |* 19 | HASH JOIN | | 3963 | 220K| | 2476 (1)| 00:00:30 | | |
    |* 20 | HASH JOIN | | 3963 | 181K| | 1300 (1)| 00:00:16 | | |
    | 21 | PARTITION HASH ALL | | 3963 | 131K| | 728 (1)| 00:00:09 | 1 | 512 |
    |* 22 | TABLE ACCESS FULL | FLIGHT_LEG | 3963 | 131K| | 728 (1)| 00:00:09 | 1 | 512 |
    |* 23 | INDEX FAST FULL SCAN| FLIGHT_SEG_FLIGHT_LEG_PK | 240K| 3059K| | 571 (1)| 00:00:07 | | |
    | 24 | PARTITION HASH ALL | | 259K| 2531K| | 1175 (1)| 00:00:15 | 1 | 512 |
    |* 25 | TABLE ACCESS FULL | FLIGHT_SEG | 259K| 2531K| | 1175 (1)| 00:00:15 | 1 | 512 |
    | 26 | PARTITION HASH ALL | | 631K| 8011K| | 1037 (1)| 00:00:13 | 1 | 512 |
    |* 27 | TABLE ACCESS FULL | CUST_FLIGHT_LEG | 631K| 8011K| | 1037 (1)| 00:00:13 | 1 | 512 |
    | 28 | PARTITION HASH ALL | | 239K| 25M| | 1822 (1)| 00:00:22 | 1 | 512 |
    |* 29 | TABLE ACCESS FULL | CUST | 239K| 25M| | 1822 (1)| 00:00:22 | 1 | 512 |
    | 30 | PARTITION HASH ALL | | 73623 | 4385K| | 243 (1)| 00:00:03 | 1 | 512 |
    | 31 | TABLE ACCESS FULL | REMARK | 73623 | 4385K| | 243 (1)| 00:00:03 | 1 | 512 |
    Predicate Information (identified by operation id):
    2 - access("CJ"."CUST_JRNY_ID"="CJV"."CUST_JRNY_ID")
    4 - filter("CJV"."VERSION_NUMBER"=0)
    5 - access("FL"."CUST_JRNY_ID"="CJ"."CUST_JRNY_ID")
    8 - filter(NVL("CG"."HISTORY_VERSION_NUMBER",0)=0)
    9 - access("CG"."CUST_JRNY_ID"(+)="CT"."CUST_JRNY_ID")
    12 - filter(NVL("RK"."HISTORY_VERSION_NUMBER",0)=0)
    13 - access("CTR"."REMARK_ID"="RK"."REMARK_ID"(+))
    14 - filter(NVL("CTR"."HISTORY_VERSION_NUMBER",0)=0)
    15 - access("CT"."CUST_ID"="CTR"."CUST_ID"(+))
    17 - access("CFL"."CUST_ID"="CT"."CUST_ID")
    18 - access("FL"."FLIGHT_LEG_ID"="CFL"."FLIGHT_LEG_ID")
    19 - access("FSFL"."FLIGHT_SEG_ID"="FS"."FLIGHT_SEG_ID")
    20 - access("FL"."FLIGHT_LEG_ID"="FSFL"."FLIGHT_LEG_ID")
    22 - filter("FL"."DEPARTURE_STATION_CODE"='DEL' AND "FL"."DEPARTURE_DATETIME"=TO_DATE(' 2012-12-10 18:45:00', 'syyyy-mm-dd
    hh24:mi:ss') AND "FL"."OPR_SERVICE_PROVIDER_CODE"='AI' AND "FL"."OPR_FLIGHT_NUMBER"=1 AND "FL"."OPR_FLIGHT_SUFFIX"='A' AND
    "FL"."HISTORY_VERSION_NUMBER"=0)
    23 - filter("FSFL"."HISTORY_VERSION_NUMBER"=0)
    25 - filter("FS"."HISTORY_VERSION_NUMBER"=0)
    27 - filter("CFL"."HISTORY_VERSION_NUMBER"=0)
    29 - filter("CT"."HISTORY_VERSION_NUMBER"=0)

  • Is there anything that can be done to tune this query?

    DB version:10gR2
    From AWR report, we have determined that the following SQL is taking most CPU Time. Is there anything that we can do to improve the performance of this query.
    We have an index on (stat_code,create_date_time) columns of ext_replenish table.
    SELECT EXT_REPLENISH.EXT_REPLENISH_ID, EXT_REPLENISH.EVENT_ID, EXT_REPLENISH.EVENT_KEY, EXT_REPLENISH.WHSE, EXT_REPLENISH.VALIDATE_KEY, EXT_REPLENISH.NBR_OF_RETRY, EXT_REPLENISH.STAT_CODE, EXT_REPLENISH.ERROR_SEQ_NBR, EXT_REPLENISH.CREATE_DATE_TIME, EXT_REPLENISH.MOD_DATE_TIME, EXT_REPLENISH.USER_ID, EXT_REPLENISH.CL_MESSAGE_ID, EXT_REPLENISH.SCHEMA_ID, EXT_REPLENISH.ELS_ACTVTY_CODE, EXT_REPLENISH.CD_MASTER_ID FROM EXT_REPLENISH WHERE ( ( ( ( ( EXT_REPLENISH.STAT_CODE = :1 ) OR ( EXT_REPLENISH.STAT_CODE = :2 ) ) OR ( ( ( EXT_REPLENISH.STAT_CODE = :3 ) AND ( EXT_REPLENISH.ERROR_SEQ_NBR >= :4 ) ) AND ( EXT_REPLENISH.ERROR_SEQ_NBR < :5 ) ) ) AND ( EXT_REPLENISH.MOD_DATE_TIME <= :6 ) ) AND ( EXT_REPLENISH.NBR_OF_RETRY < :7 ) ) AND ROWNUM <= 1 ORDER BY EXT_REPLENISH.STAT_CODE ASC, EXT_REPLENISH.CREATE_DATE_TIME ASC FOR UPDATE
    Is there anyway i could tune this query?
    note: Ignore the unnecessary brackets. They are system created(apparently by hibernate)
    Message was edited by:
    Nichols
    Taking off the pre tags due to readability issue(all words appear in single line )
    Message was edited by:
    Nichols

    From just blindly looking at this particular query, there doesn't seem any obvious reason why an index couldn't be extended to cover all the columns specified in the where clause.
    It might not help too much -> explain plan is required first really before blindly guessing.
    Obviously, there's no point having an order by and a rownum (unless you wanted to do the order by before the rownum in an outer select) - I assume this is just a Hibernatism.

  • HELP TO TUNE THIS QUERY

    Hi,
    I'm using below query in procedure.It's taking more more time can some one help to tune this query or advice to rewrite the query.
    Databse :10.1
    SELECT   'Reading Comprehension' TEST_NAME,T.TEST_END_DATE TEST_SESSION_DATE,
            C.POOL_VERSION_ID, I.CREATED_ON POOL_CREATED_DT,
            C.ITEM_ID, C.ITEM_RESPONSE_ID, S.STUDENT_ID_PK, C.RESPONSE_KEY, C.IS_CORRECT RESPONSE_IS_CORRECT,
            T.SCORE SCALE_SCORE, C.RESPONSE_DURATION, P.ITEM_KEY,
            T.TEST_SESSION_DETAIL_ID, SYSDATE CREATED_ON
           -- BULK COLLECT INTO TV_PSYCHO_DET
            FROM
            CAT_ITEM_PARAMETER P, CAT_ITEM_USER_RESPONSE C, TEST_SESSION_DETAIL T,
            TEST_SESSION S, ITEM_POOL_VERSION I, TEST_DETAIL D
            ,INSTITUTION E
            WHERE  TRUNC(T.TEST_END_DATE) BETWEEN TO_DATE('01-11-09','dd-mm-yy') AND TO_DATE('30-11-09','dd-mm-yy')
            AND D.TEST_NAME =  'Reading Comprehension'
            AND T.TEST_SESSION_STATUS_ID = 3
            AND I.POOL_AVAILABILITY='Y'
            AND P.PRETEST=0 AND C.RESTART_FLAG=0
            AND T.TEST_DETAIL_ID = D.TEST_DETAIL_ID
            AND S.TEST_SESSION_ID = T.TEST_SESSION_ID
            AND C.TEST_SESSION_DETAIL_ID = T.TEST_SESSION_DETAIL_ID
            AND S.INSTITUTION_ID=E.INSTITUTION_ID
            AND SUBSTR(E.INSTITUTION_ID_DISPLAY,8,3) <> '000'
            AND I.ITEM_ID = C.ITEM_ID
            AND P.ITEM_ID = I.ITEM_ID;expln plan
    Plan hash value: 3712814491                                                                                                      
    | Id  | Operation                                 | Name                        | Rows  | Bytes | Cost (%CPU)| Time     | Pstart|
    Pstop |                                                                                                                          
    |   0 | SELECT STATEMENT                          |                             | 50857 |  7151K| 93382   (1)| 00:18:41 |       |
          |                                                                                                                          
    |*  1 |  FILTER                                   |                             |       |       |            |          |       |
          |                                                                                                                          
    |*  2 |   HASH JOIN                               |                             | 50857 |  7151K| 93382   (1)| 00:18:41 |       |
          |                                                                                                                          
    |   3 |    PARTITION HASH ALL                     |                             |  2312 | 23120 |    25   (0)| 00:00:01 |     1 |
        5 |                                                                                                                          
    |*  4 |     TABLE ACCESS FULL                     | CAT_ITEM_PARAMETER          |  2312 | 23120 |    25   (0)| 00:00:01 |     1 |
        5 |                                                                                                                          
    |*  5 |    HASH JOIN                              |                             | 94938 |    12M| 93356   (1)| 00:18:41 |       |
          |                                                                                                                          
    |*  6 |     TABLE ACCESS FULL                     | ITEM_POOL_VERSION           |  9036 |   132K|    30   (0)| 00:00:01 |       |
          |                                                                                                                          
    |*  7 |     TABLE ACCESS BY GLOBAL INDEX ROWID    | CAT_ITEM_USER_RESPONSE      |     9 |   279 |    18   (0)| 00:00:01 | ROWID |
    ROWID |                                                                                                                          
    |   8 |      NESTED LOOPS                         |                             | 45349 |  5270K| 93325   (1)| 00:18:40 |       |
          |                                                                                                                          
    |*  9 |       HASH JOIN                           |                             |  4923 |   423K| 11377   (1)| 00:02:17 |       |
          |                                                                                                                          
    |* 10 |        INDEX FAST FULL SCAN               | INSTI_ID_NAME_COUN_DISP_IDX |  8165 |   111K|    18   (0)| 00:00:01 |       |
          |                                                                                                                          
    |* 11 |        HASH JOIN                          |                             |  4923 |   355K| 11359   (1)| 00:02:17 |       |
          |                                                                                                                          
    |* 12 |         TABLE ACCESS BY GLOBAL INDEX ROWID| TEST_SESSION_DETAIL         |  4107 |   148K|  6804   (1)| 00:01:22 | ROWID |
    ROWID |                                                                                                                          
    |  13 |          NESTED LOOPS                     |                             |  4923 |   278K|  6806   (1)| 00:01:22 |       |
          |                                                                                                                          
    |* 14 |           INDEX RANGE SCAN                | TEST_DETAIL_AK_1            |     1 |    21 |     2   (0)| 00:00:01 |       |
          |                                                                                                                          
    |* 15 |           INDEX RANGE SCAN                | TEST_SESSION_DETAIL_FK2_I   | 39737 |       |   102   (0)| 00:00:02 |       |
          |                                                                                                                          
    |  16 |         PARTITION HASH ALL                |                             |  1672K|    25M|  4546   (1)| 00:00:55 |     1 |
        5 |                                                                                                                          
    |  17 |          TABLE ACCESS FULL                | TEST_SESSION                |  1672K|    25M|  4546   (1)| 00:00:55 |     1 |
        5 |                                                                                                                          
    |* 18 |       INDEX RANGE SCAN                    | CAT_ITEM_USER_RESP_IDX1     |    18 |       |     3   (0)| 00:00:01 |       |
          |                                                                                                                          
    Predicate Information (identified by operation id):                                                                              
       1 - filter(TO_DATE('01-11-09','dd-mm-yy')<=TO_DATE('30-11-09','dd-mm-yy'))                                                    
       2 - access("P"."ITEM_ID"="I"."ITEM_ID")                                                                                       
       4 - filter("P"."PRETEST"=0)                                                                                                   
       5 - access("I"."ITEM_ID"="C"."ITEM_ID")                                                                                       
       6 - filter("I"."POOL_AVAILABILITY"='Y')                                                                                       
       7 - filter(TO_NUMBER("C"."RESTART_FLAG")=0)                                                                                   
       9 - access("S"."INSTITUTION_ID"="E"."INSTITUTION_ID")                                                                         
      10 - filter(SUBSTR("E"."INSTITUTION_ID_DISPLAY",8,3)<>'000')                                                                   
      11 - access("S"."TEST_SESSION_ID"="T"."TEST_SESSION_ID")                                                                       
      12 - filter(TRUNC(INTERNAL_FUNCTION("T"."TEST_END_DATE"))>=TO_DATE('01-11-09','dd-mm-yy') AND "T"."TEST_SESSION_STATUS_ID"=3   
                  AND TRUNC(INTERNAL_FUNCTION("T"."TEST_END_DATE"))<=TO_DATE('30-11-09','dd-mm-yy'))                                 
      14 - access("D"."TEST_NAME"='Reading Comprehension')                                                                           
      15 - access("T"."TEST_DETAIL_ID"="D"."TEST_DETAIL_ID")                                                                         
      18 - access("C"."TEST_SESSION_DETAIL_ID"="T"."TEST_SESSION_DETAIL_ID")                                                         
    43 rows selected.Edited by: user575115 on Dec 18, 2009 12:31 AM

    When you see something like ...
       7 - filter(TO_NUMBER("C"."RESTART_FLAG")=0)                                                                                    It means that Oracle had to do a conversion for you since you aren't using the proper data type in your query.
    That would mean IF there is an index on that column, it won't be useable...

  • How best we can use the Rollback and RollbackAlways mechanism in Visual Studio Release Management Template

    Hello All,
    We need a clarification on Rollback and RollbackAlways in Release template.
    We checked a scenario for Rollback and RollbackAlways:
    In Release Template, we have the first activity as “Configure Application Pool” and then followed by a rollback action of “Create Application Pool”
    and “Create Web Site” then followed by "Code Deployment" via TFS build.
    We tested with 2 scenario’s:
    With App Pool and Web Site already existing: when triggered the build, configure
    app pool succeeded, then Rollback action was skipped (as previous action was successful), finally deploy the code executed (code deployed) and build got succeeded.
    Deleted App Pool and Web Site: when triggered the build, configure app pool failed (as no app pool existed), Rollback action executed (as previous action failed) – created app pool and web site then finally
    deploy the code executed (code deployed)
    But build failed (Error: Configure app pool action failed).
    Ideally the build should succeed as the roll back action got executed and code deployed successfully.
    Please correct us if our understanding is wrong.
    Also, Kindly let us know how best we can use the Rollback and RollbackAlways mechanism in Release Management
    Looking forward for your positive response.
    Thanks in advance.
    Regards,

    Hi Shashank,
    Rollback Always runs if any of the actions in the template failed. Rollback will run if action just above rollback fails or if any of the actions below the Rollback fails.
    Article here (http://www.incyclesoftware.com/2014/03/understanding-rollbacks-release-management/) clearly explains how Rollback and Rollback
    Always work.
    I think you come across this issue since you are using build to do the "code deployment" action. You should use the release template to do that. 
    As far as I know you cannot use Rollback to achieve condition check (App pool exist in your case) action.
    For this you can create your own Power Shell component (which checks if the app pool exist and is not create it) and add it as a tool in RM server (RM Server Inventory).
    Another option is you can follow the workaround in below thread "Answer" quoted below. That is execute Remove app pool regardless if it exist or not (which does not fail) and then create app pool.
    I was able to get it working by removing the app pool which does not fail if it doesn't exist. Removing then creating seems the long way around but it works.
    Flow:
    Remove Application Pool
    Create Application Pool
    https://social.msdn.microsoft.com/Forums/en-US/43bf21c8-e233-4e58-a5a8-2592b78bc466/vs-2013-release-management-create-application-pool-fails-if-it-already-exists?forum=tfsbuild
    Cheers!
    Chaminda

  • Please tune this query.

    Hi Experts,
    My below query is taking long time.
    [code]SELECT FAX_LIST.*
        FROM (SELECT /*+ use_nl(fax, src)  */
                    ROW_NUMBER () OVER (ORDER BY fax.ID ASC NULLS FIRST) RN,
                     fax.ACCOUNT_TYPE,
                     fax.BU_FILE_LOCATION,
                     fax.COUNT_PAGES_RECEIVED,
                     NVL (fax.CUSTOMER_NAME, fax.SENDER_NAME) AS CUSTOMER_NAME,
                     fax.FAX_SOURCE,
                     fax.CUSTOMER_NUMBER,
                     fax.CUSTOMER_OMEGA_NUMBER,
                     fax.GENIFAX_RECIPIENT_ID,
                     fax.ID AS FAX_ID,
                     fax.DATE_RECEIVED AS FAX_RECEIVED,
                     fax.IS_LOCKED,
                     fax.LOCKED_BY,
                     fax.ORIGINATOR_CSI,
                     fax.MARGIN,
                     fax.PAYMENT_TYPE,
                     fax.PRIORITY_CODE,
                     fax.PRIORITY_VALUE,
                     FROM_TZ (fax.DATE_RECEIVED, 'UTC')
                        AT TIME ZONE fax.LOCAL_TZ_NAME
                        AS DATE_RECEIVED,
                     fax.SALES_PERSON,
                     fax.SENDER_EMAIL,
                     fax.SENDER_NAME,
                     fax.SUBJECT,
                     fax.WORKGROUP_ID,
                     fax.LOCKED_TIME,
                     src.DESCRIPTION,
                     src.FAX_NUMBER,
                     src.WORKFLOW_ID,
                     fax.CREATED_BY,
                     fax.CREATED_DATE,
                     fax.UPDATE_DATE,
                     fax.UPDATED_BY,
                     fax.RESERVED_BY,
                     fax.PRICE_TO_ORDER,
                     fax.SKU_COUNT_TO_ORDER,
                     NVL (ORL.GET_FTH_WTR (fax.LAST_TRANSITION_ID).CHANGED_BY,
                        CASE
                           WHEN fax.LAST_TRANSITION_ID IS NULL
                                AND fax.GENIFAX_RECIPIENT_ID IS NOT NULL
                           THEN
                              'ORL FEEDER'
                           ELSE
                              'Admin'
                        END)
                        AS LAST_USER,
                     FROM_TZ (
                        NVL (ORL.GET_FTH_WTR (fax.LAST_TRANSITION_ID).CHANGED_DATE,
                             fax.DATE_RECEIVED),
                        'UTC')
                        AT TIME ZONE fax.LOCAL_TZ_NAME
                        AS MOVE_DATETIME,
                     NVL (ORL.GET_FTH_WTR (fax.LAST_TRANSITION_ID).REASON,
                          'Reroute')
                        AS MOVE_REASON,
                     NVL (
                        (SELECT fw.DESCRIPTION
                           FROM ORL.WORKGROUP_TRANSITION wt, ORL.WORKGROUP fw
                          WHERE wt.ID =
                                   ORL.GET_FTH_WTR (fax.LAST_TRANSITION_ID).WORKGROUP_TRANSITION_ID
                                AND fw.ID = wt.CURRENT_WORKGROUP_ID),
                        CASE
                           WHEN fax.LAST_TRANSITION_ID IS NULL
                                AND fax.GENIFAX_RECIPIENT_ID IS NOT NULL
                           THEN
                              'ORL FEEDER STAGING'
                           ELSE
                              'N/A'
                        END)
                        AS OLD_STATUS,
                     (SELECT MAX (PURCHASE_ORDER_NUMBER)
                        FROM ORL.FAX_OFFER_DETAIL
                       WHERE FAX_ID = fax.ID)
                        AS MAXPO,
                     (SELECT CASE COUNT (PURCHASE_ORDER_NUMBER)
                                WHEN 0 THEN NULL
                                ELSE COUNT (PURCHASE_ORDER_NUMBER)
                             END
                                AS POCOUNT
                        FROM ORL.FAX_OFFER_DETAIL
                       WHERE FAX_ID = fax.ID)
                        AS POCOUNT,
                     (SELECT SUM (VALUE) AS ORDER_VALUE
                        FROM ORL.FAX_OFFER_DETAIL
                       WHERE FAX_ID = fax.ID)
                        AS ORDER_VALUE,
                     fax.SALESPERSON_NAME,
                     fax.GROUP_NAME,
                     fax.ROLE_NAME,
                     fax.EMAIL,
                     fax.SALES_CHANNEL
                FROM (SELECT fax.*,
                             map.ORACLE_TZ_NAME AS LOCAL_TZ_NAME,
                             ORL.GET_SALESPERSON (map.ORG_ID, fax.SALES_PERSON).SALESPERSON_NAME
                                AS SALESPERSON_NAME,
                             ORL.GET_SALESPERSON (map.ORG_ID, fax.SALES_PERSON).GROUP_NAME
                                AS GROUP_NAME,
                             ORL.GET_SALESPERSON (map.ORG_ID, fax.SALES_PERSON).ROLE_NAME
                                AS ROLE_NAME,
                             ORL.GET_SALESPERSON (map.ORG_ID, fax.SALES_PERSON).EMAIL
                                AS EMAIL,
                             ORL.GET_SALESPERSON (map.ORG_ID, fax.SALES_PERSON).SALES_CHANNEL
                                AS SALES_CHANNEL
                        FROM APPS_GLOBAL.GLOBAL_BU_MAPPING map,
                             (SELECT *
                                FROM ORL.FAX_HEADER FH
                               WHERE FH.WORKGROUP_ID = 262) fax
                       WHERE map.GEDIS = 'Y'
                             AND map.BU_ID = (SELECT BUID
                                                FROM ORL.WORKGROUP
                                               WHERE ID = fax.WORKGROUP_ID)
                             AND ORL.GET_SALESPERSON (map.ORG_ID, fax.SALES_PERSON).SALESPERSON_NAME =
                                    'A_CARRICK') fax,
                     (SELECT *
                        FROM ORL.FAX_SOURCE FS
                       WHERE FS.WORKFLOW_ID IN
                                (SELECT  /*+ CARDINALITY(t, 1) */
                                       TO_NUMBER (
                                           COLUMN_VALUE)
                                           AS COLUMN_VALUE
                                   FROM TABLE (
                                           SplitClob ('1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
            16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31,
            32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47,
            48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63,
            64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79,
            80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95,
            96, 97, 98', ',')) t)) src
               WHERE src.ID(+) = fax.FAX_SOURCE) FAX_LIST
       WHERE RN BETWEEN 1 AND 100
    ORDER BY RN ASC;[/code]
    In my query the following three functions are using.
    ORL.GET_FTH_WTR
    ORL.GET_SALESPERSON
    APPS_GLOBAL.SplitClob
    [code]CREATE OR REPLACE FUNCTION ORL.GET_FTH_WTR(p_LAST_TRANSITION_ID NUMBER)
            RETURN ORL.FTH_WTR_T
            DETERMINISTIC
        IS
            v_REASON nvarchar2(1024 char);
            v_WORKGROUP_TRANSITION_ID number;
            v_CHANGED_BY nvarchar2(64 char);
            v_CHANGED_DATE timestamp(6);
        BEGIN
        SELECT
            WTR.REASON,
            wtr.WORKGROUP_TRANSITION_ID,
            fth.CHANGED_BY,
            fth.CHANGED_DATE
        INTO
            v_REASON,
            v_WORKGROUP_TRANSITION_ID,
            v_CHANGED_BY,
            v_CHANGED_DATE
        FROM
            ORL.FAX_TRANSITION_HISTORY fth,
            ORL.WORKGROUP_TRANSITION_REASON wtr
        WHERE
             fth.ID = p_LAST_TRANSITION_ID
            AND wtr.ID(+) = fth.TRANSITION_REASON_ID;
        RETURN ORL.FTH_WTR_T(v_CHANGED_BY, v_CHANGED_DATE, v_REASON, v_WORKGROUP_TRANSITION_ID);
        EXCEPTION
            WHEN NO_DATA_FOUND THEN
            RETURN ORL.FTH_WTR_T(NULL, NULL, NULL, NULL);
        END GET_FTH_WTR;
    CREATE OR REPLACE function ORL.GET_SALESPERSON(ORG_ID number, SALESPERSON_ID number)
        return ORL.SALESPERSON_T
        deterministic
    is
        apps_bu             varchar2(30);
        salesperson_name    varchar2(150 char);
        email               varchar2(70 char);
        sales_channel       varchar2(60 char);
        role_name           varchar2(60 char);
        group_name          varchar2(60 char);
    begin
        select OWNER_NAME into apps_bu
          from APPS_GLOBAL.GLOBAL_BU_MAPPING
         where ORG_ID = GET_SALESPERSON.ORG_ID;
        execute immediate
        replace('
            select SALESPERSON_NAME
                 , EMAIL
                 , SALES_CHANNEL
                 , ROLE_NAME
                 , GROUP_NAME
              from APPS_**.ORL_ACTIVE_SALESPERSON
             where SALESPERSON_ID = :1
      and  rownum = 1
                ', 'APPS_**', apps_bu)
        into salesperson_name, email, sales_channel, role_name, group_name
        using SALESPERSON_ID;
        return SALESPERSON_T(ORG_ID, SALESPERSON_ID, salesperson_name, email, sales_channel, role_name, group_name);
    exception
        when no_data_found then
            return SALESPERSON_T(null, null, null, null, null, null, null);
    end GET_SALESPERSON;
    CREATE OR REPLACE function APPS_GLOBAL.SplitClob
        p_clob          clob
      , p_delimiter     varchar2 := ','
    return StringTable
    deterministic
    pipelined
    as
        v_current_pos   pls_integer := 1;
        v_delimiter_pos pls_integer;
    begin
        if (p_clob is not NULL) and (p_delimiter is not NULL) then
            while v_current_pos <= length(p_clob) loop
                v_delimiter_pos := instr(p_clob, p_delimiter, v_current_pos);
                if  v_delimiter_pos < 1  then   -- no more delimiters
                    v_delimiter_pos := length(p_clob) + 1;
                end if;
                pipe row( to_char( substr(p_clob,
                                          v_current_pos,
                                          v_delimiter_pos - v_current_pos) ) );
                v_current_pos := v_delimiter_pos + length(p_delimiter);
            end loop;
        end if;
    end SplitClob;
    CREATE OR REPLACE TYPE SALESPERSON_T  AS OBJECT
      SALESPERSON_ID        number(15)
    , SALESPERSON_NUMBER    varchar2(150 char)
    , FIRST_NAME            varchar2(20 char)
    , LAST_NAME             varchar2(40 char)
    , SALES_CHANNEL         varchar2(60 char)
    , ORG_ID                number(15)
    , USER_NAME             varchar2(61 char)
    , EFFECTIVE_START_DATE  date
    , EFFECTIVE_END_DATE    date
    , STATUS_FLAG           varchar2(1 char)
    , EMAIL                 varchar2(70 char)
    , WORK_TELEPHONE        varchar2(60 char)
    , MANAGERS_NAME         varchar2(50 char)
    , FAX_NO                varchar2(60 char)
    , SALESPERSON_NAME      varchar2(30 char)
    , TERRITORY             varchar2(40 char)
    , FO_LOGON              varchar2(150 char)
    , BO_LOGON              varchar2(150 char)
    , SUB_CHANNEL           varchar2(25 char)
    , BUSINESS_SEGMENT      varchar2(3 char)
    , DISCOUNT_NAME         varchar2(30 char)
    , RESPONSIBILITY_ID     number
    , RESPONSIBILITY_KEY    varchar2(30 char)
    CREATE OR REPLACE TYPE STRINGTABLE as table of varchar2(4000);[/code]
    The total number of records in each table.
    [code]SELECT COUNT(*) FROM ORL.FAX_HEADER FH --4397829
    SELECT COUNT(*) FROM APPS_GLOBAL.GLOBAL_BU_MAPPING map --31
    SELECT COUNT(*) FROM ORL.WORKGROUP_TRANSITION  --6735
    SELECT COUNT(*) FROM ORL.WORKGROUP fw --1495
    SELECT COUNT(*) FROM ORL.FAX_OFFER_DETAIL --5904039
    SELECT COUNT(*) FROM  ORL.FAX_SOURCE--2368 --2457[/code]
    Indexes on the columns.
    [code]ORL.WORKGROUP_TRANSITION(ID),
    ORL.WORKGROUP(ID),
    ORL.FAX_OFFER_DETAIL(FAX_ID),
    ORL.FAX_HEADER(WORKGROUP_ID).[/code]
    Please help me to tune this query.
    Thanks in advance.

    Hi,
    Thanks for your reply.
    For split the numbers into different rows , we are sending randomly.
    It's not constant numbers.We have used bind variables.
    For testing purpose I have hard coded the values.
    How to do this split without using user defined function.
    I am sending the actual query along with execution plan without any hints.
    [code]SELECT   FAX_LIST.*
      FROM   (SELECT   ROW_NUMBER () OVER (ORDER BY fax.ID ASC) RN,
                       fax.ACCOUNT_TYPE,
                       fax.BU_FILE_LOCATION,
                       fax.COUNT_PAGES_RECEIVED,
                       NVL (fax.CUSTOMER_NAME, fax.SENDER_NAME) AS CUSTOMER_NAME,
                       fax.FAX_SOURCE,
                       fax.CUSTOMER_NUMBER,
                       fax.CUSTOMER_OMEGA_NUMBER,
                       fax.GENIFAX_RECIPIENT_ID,
                       fax.ID AS FAX_ID,
                       fax.DATE_RECEIVED AS FAX_RECEIVED,
                       fax.IS_LOCKED,
                       fax.LOCKED_BY,
                       fax.ORIGINATOR_CSI,
                       fax.MARGIN,
                       fax.PAYMENT_TYPE,
                       fax.PRIORITY_CODE,
                       fax.PRIORITY_VALUE,
                       FROM_TZ (fax.DATE_RECEIVED, 'UTC') AT TIME ZONE map.ORACLE_TZ_NAME AS DATE_RECEIVED,
                       fax.SALES_PERSON,
                       fax.SENDER_EMAIL,
                       fax.SENDER_NAME,
                       fax.SUBJECT,
                       fax.WORKGROUP_ID,
                       fax.LOCKED_TIME,
                       src.DESCRIPTION,
                       src.FAX_NUMBER,
                       src.WORKFLOW_ID,
                       fax.CREATED_BY,
                       fax.CREATED_DATE,
                       fax.UPDATE_DATE,
                       fax.UPDATED_BY,
                       fax.RESERVED_BY,
                       fax.PRICE_TO_ORDER,
                       fax.SKU_COUNT_TO_ORDER,
                       NVL (
                          ORL.GET_FTH_WTR (fax.LAST_TRANSITION_ID).CHANGED_BY,
                          CASE
                             WHEN fax.LAST_TRANSITION_ID IS NULL
                                  AND fax.GENIFAX_RECIPIENT_ID IS NOT NULL
                             THEN
                                'ORL FEEDER'
                             ELSE
                                'Admin'
                          END
                          AS LAST_USER,
                       FROM_TZ (NVL (ORL.GET_FTH_WTR (fax.LAST_TRANSITION_ID).CHANGED_DATE,fax.DATE_RECEIVED),'UTC')
                       AT TIME ZONE map.ORACLE_TZ_NAME AS MOVE_DATETIME,
                       NVL (ORL.GET_FTH_WTR (fax.LAST_TRANSITION_ID).REASON,'Reroute')AS MOVE_REASON,
                       NVL ((SELECT   fw.DESCRIPTION
                             FROM   ORL.WORKGROUP_TRANSITION wt, ORL.WORKGROUP fw
                            WHERE   wt.ID =
                                       ORL.GET_FTH_WTR (
                                          fax.LAST_TRANSITION_ID
                                       ).WORKGROUP_TRANSITION_ID
                                    AND fw.ID = wt.CURRENT_WORKGROUP_ID),
                          CASE
                             WHEN fax.LAST_TRANSITION_ID IS NULL
                                  AND fax.GENIFAX_RECIPIENT_ID IS NOT NULL
                             THEN
                                'ORL FEEDER STAGING'
                             ELSE
                                'N/A'
                          END
                          AS OLD_STATUS,
                       (SELECT   MAX (PURCHASE_ORDER_NUMBER)
                          FROM   ORL.FAX_OFFER_DETAIL
                         WHERE   FAX_ID = fax.ID)
                          AS MAXPO,
                       (SELECT   CASE COUNT (PURCHASE_ORDER_NUMBER)
                                    WHEN 0 THEN NULL
                                    ELSE COUNT (PURCHASE_ORDER_NUMBER)
                                 END
                                    AS POCOUNT
                          FROM   ORL.FAX_OFFER_DETAIL
                         WHERE   FAX_ID = fax.ID)
                          AS POCOUNT,
                       (SELECT   SUM (VALUE) AS ORDER_VALUE
                          FROM   ORL.FAX_OFFER_DETAIL
                         WHERE   FAX_ID = fax.ID) AS ORDER_VALUE,
                       ORL.GET_SALESPERSON (map.ORG_ID,fax.SALES_PERSON).SALESPERSON_NAME AS SALESPERSON_NAME,
                       ORL.GET_SALESPERSON (map.ORG_ID,fax.SALES_PERSON).GROUP_NAME AS GROUP_NAME,
                       ORL.GET_SALESPERSON (map.ORG_ID,fax.SALES_PERSON).ROLE_NAME AS ROLE_NAME,
                       ORL.GET_SALESPERSON (map.ORG_ID, fax.SALES_PERSON).EMAIL AS EMAIL,
                       ORL.GET_SALESPERSON (map.ORG_ID, fax.SALES_PERSON).SALES_CHANNEL AS SALES_CHANNEL
                FROM   ORL.FAX_HEADER fax,
                       APPS_GLOBAL.GLOBAL_BU_MAPPING map,
                       ORL.FAX_SOURCE src
               WHERE       fax.WORKGROUP_ID = :WORKGROUP_ID
                       AND map.GEDIS = 'Y'
                       AND map.BU_ID = (SELECT   BUID
                                          FROM   ORL.WORKGROUP
                                         WHERE   ID = fax.WORKGROUP_ID)
                       AND ORL.GET_SALESPERSON (map.ORG_ID,fax.SALES_PERSON).GROUP_NAME =:SALES_TEAM
                       AND ORL.GET_SALESPERSON (map.ORG_ID,fax.SALES_PERSON
                          ).SALESPERSON_NAME = :SALESPERSON_NAME
                       AND src.WORKFLOW_ID IN
                                (SELECT TO_NUMBER (COLUMN_VALUE) AS COLUMN_VALUE
                                   FROM table(SplitClob (:WORKFLOW_ID,:WORKFLOW_ID_delim)) t)
                       AND src.ID(+) = fax.FAX_SOURCE) FAX_LIST
    WHERE   RN BETWEEN 1 AND 100;
    Execution Plan
    | Id  | Operation                               | Name                    | Rows  | Bytes | Cost (%CPU)|
    |   0 | SELECT STATEMENT                        |                         |     2 | 12092 | 88923   (1)|
    |   1 |  NESTED LOOPS                           |                         |     1 |    38 |     3   (0)|
    |   2 |   TABLE ACCESS BY INDEX ROWID           | WORKGROUP_TRANSITION    |     1 |     9 |     2   (0)|
    |   3 |    INDEX UNIQUE SCAN                    | PK_WORKGROUP_TRANSITION |     1 |       |     1   (0)|
    |   4 |   TABLE ACCESS BY INDEX ROWID           | WORKGROUP               |  1482 | 42978 |     1   (0)|
    |   5 |    INDEX UNIQUE SCAN                    | PK_WORKGROUP            |     1 |       |     0   (0)|
    |   6 |  SORT AGGREGATE                         |                         |     1 |    16 |            |
    |   7 |   TABLE ACCESS BY INDEX ROWID           | FAX_OFFER_DETAIL        |     1 |    16 |     5   (0)|
    |   8 |    INDEX RANGE SCAN                     | FAX_OFFER_DETAIL_IDX1   |     1 |       |     3   (0)|
    |   9 |  SORT AGGREGATE                         |                         |     1 |    16 |            |
    |  10 |   TABLE ACCESS BY INDEX ROWID           | FAX_OFFER_DETAIL        |     1 |    16 |     5   (0)|
    |  11 |    INDEX RANGE SCAN                     | FAX_OFFER_DETAIL_IDX1   |     1 |       |     3   (0)|
    |  12 |  SORT AGGREGATE                         |                         |     1 |    11 |            |
    |  13 |   TABLE ACCESS BY INDEX ROWID           | FAX_OFFER_DETAIL        |     1 |    11 |     5   (0)|
    |  14 |    INDEX RANGE SCAN                     | FAX_OFFER_DETAIL_IDX1   |     1 |       |     3   (0)|
    |  15 |  VIEW                                   |                         |     2 | 12092 | 88923   (1)|
    |  16 |   WINDOW SORT PUSHED RANK               |                         |     2 |  1378 | 88923   (1)|
    |  17 |    NESTED LOOPS                         |                         |       |       |            |
    |  18 |     NESTED LOOPS                        |                         |     2 |  1378 | 88920   (1)|
    |  19 |      NESTED LOOPS                       |                         | 18420 |    11M| 70490   (1)|
    |  20 |       HASH JOIN RIGHT SEMI              |                         |    69 |  3657 |    49   (3)|
    |  21 |        COLLECTION ITERATOR PICKLER FETCH| SPLITCLOB               |  8168 | 16336 |    29   (0)|
    |  22 |        TABLE ACCESS FULL                | FAX_SOURCE              |  2409 |   119K|    19   (0)|
    |  23 |       TABLE ACCESS BY INDEX ROWID       | FAX_HEADER              |   268 |   160K|  2854   (1)|
    |  24 |        INDEX RANGE SCAN                 | FAX_HEADER_FS_IDX       |  4345 |       |     7   (0)|
    |  25 |      INDEX RANGE SCAN                   | GLOBAL_BU_MAPPING_BUID  |     1 |       |     0   (0)|
    |  26 |       TABLE ACCESS BY INDEX ROWID       | WORKGROUP               |     1 |     8 |     2   (0)|
    |  27 |        INDEX UNIQUE SCAN                | PK_WORKGROUP            |     1 |       |     1   (0)|
    |  28 |     TABLE ACCESS BY INDEX ROWID         | GLOBAL_BU_MAPPING       |     1 |    24 |     1   (0)|
    Note
       - 'PLAN_TABLE' is old version
    Statistics
         894400  recursive calls
             60  db block gets
        7402741  consistent gets
              0  physical reads
              0  redo size
          46309  bytes sent via SQL*Net to client
            430  bytes received via SQL*Net from client
              8  SQL*Net roundtrips to/from client
         848304  sorts (memory)
              0  sorts (disk)
            100  rows processed[/code]
    Please help me.
    Thanks in advance.

  • Need to tune this query

    Hi
    I dont know anything about tuning
    can anybody help to tune this query
    SQL> set autotrace traceonly explain
    SQL> select count(*) from ibs_x_t_receipts c
      2  where exists                          
      3  (Select 1 from ibs_s_i_doc_receipt a,ibs_x_t_bill b
      4   where A.app_fr_doc_no = c.receipt_no
      5     and a.app_to_doc_no = b.doc_no
      6     and a.app_to_tr_type = 'TRN001'
      7     and A.app_fr_tr_type = 'TRN002'
      8     and b.bill_month <= '31-dec-2008'
      9     and b.balance_ser_amt = 0
    10     and b.balance_tax_amt = 0)
    11  /
    Execution Plan
       0      SELECT STATEMENT Optimizer=ALL_ROWS (Cost=212880 Card=1 Byte
              s=21)
       1    0   SORT (AGGREGATE)
       2    1     NESTED LOOPS (Cost=212880 Card=1 Bytes=21)
       3    2       VIEW OF 'VW_SQ_1' (VIEW) (Cost=212878 Card=1 Bytes=14)
       4    3         HASH (UNIQUE)
       5    4           NESTED LOOPS
       6    5             NESTED LOOPS (Cost=212878 Card=1 Bytes=66)
       7    6               VIEW OF 'index$_join$_002' (VIEW) (Cost=30021
              Card=91387 Bytes=3564093)
       8    7                 HASH JOIN
       9    8                   INDEX (RANGE SCAN) OF 'SIDOC_INDX1' (INDEX
              ) (Cost=171215 Card=91387 Bytes=3564093)
      10    8                   INDEX (RANGE SCAN) OF 'SIDOC_INDX2' (INDEX
              ) (Cost=366130 Card=91387 Bytes=3564093)
      11    6               INDEX (UNIQUE SCAN) OF 'ITL_PK2' (INDEX (UNIQU
              E)) (Cost=1 Card=1)
      12    5             TABLE ACCESS (BY INDEX ROWID) OF 'IBS_X_T_BILL'
              (TABLE) (Cost=2 Card=1 Bytes=27)
      13    2       INDEX (UNIQUE SCAN) OF 'RECEIPTS_PK2' (INDEX (UNIQUE))
               (Cost=1 Card=1 Bytes=7)it is running like anything, i didn't get the result.
    Please help me
    kanish

    --untested
    SELECT COUNT (*)
      FROM ibs_x_t_receipts c
    WHERE EXISTS (
              SELECT 1
                FROM ibs_s_i_doc_receipt a
               WHERE a.app_fr_doc_no = c.receipt_no
                 AND a.app_to_tr_type = 'TRN001'
                 AND a.app_fr_tr_type = 'TRN002'
                 AND EXISTS (
                        SELECT 1
                          FROM ibs_x_t_bill b
                         WHERE a.app_to_doc_no = b.doc_no
                           AND b.bill_month <= '31-dec-2008'
                           AND b.balance_ser_amt = 0
                           AND b.balance_tax_amt = 0))regards,
    friend
    Edited by: most wanted!!!! on Apr 17, 2012 3:51 AM

  • I am new to oracle, plz..anybody can explain this query step by step....plz

    Select distinct(a.esal) from employee1 a where &N = (select count(distinct(b.esal)) from employee1 b where a.esal<=b.esal);
    this is the query to find Nth largest & Nth smallest value from the table employee1....but, i am unable to understand how this query works ....plz..anybody can explain this query step by step with example....plz

    Hi,
    Welcome to the forum!
    The first step in understanding any code is to format it so you can easily see what is a sub-query, what the major clauses of each sub-query are, and things like that.
    For example:
    Select distinct (a.esal)
    from   employee1      a
    where  &N     = (       select  count (distinct (b.esal))
                             from      employee1      b
                    where      a.esal           <= b.esal
                );The only thing I have added to the code you posted was whitespace: newlines, tabs and spaces.
    Now it's easy to see that you're doing a query with a scalar sub-query in the WHERE clause.
    It usually makes sense to read complicated queries from the inside out, that is, start with the deepest nested sub-query.
    In this example, that means:
    select  count (distinct (b.esal))
    from     employee1      b
    where     a.esal           <= b.esalWhat does this query do? Unfortunately, it references something (b.esal) from the super-query, so you can't run it by itself, to see what it does. Let's replace that reference with some hard-coded value, just for now, and run it:
    select  count (distinct (b.esal))
    from     employee1      b
    --where     a.esal           <= b.esal     -- This is the original WHERE clause
    where   a.esal           <= 1000     -- For testing only
    ;Experiment with this for a while, and compare it to the values in the employee1 table (or a small test table that resembles employee1). Try different numbers in place of 1000.
    You'll see that the query is counting how many different salaries are lower than, or equal to, a given salary (1000 in the example above).
    When you understand the sub-query, look at the original query again.
    It is testing to see if exactly &N different esals are lower than or equal to the esal on each row, and displaying that esal if it is. (&N is a substitution variable. If you haven't already defined a value for it, SQL*Plus will ask you for a value when you run the query.)
    In other words, it is finding the N-th lowest value of esal.

  • Sql Query Tuning. Please help me to tune this query

    Hi All ,
    I have this problematic Sql . It is taking huge time to execute. It contains a view CIDV, which i think is the bottleneck.
    I have pasted the query below. I will be pasting TKPROF and explain plan for the same. Please advice me to tune this query.
    SELECT GCC.SEGMENT1 || '.' || GCC.SEGMENT2 || '.' || GCC.SEGMENT3 || '.' ||
           GCC.SEGMENT4 || '.' || GCC.SEGMENT5 || '.' || GCC.SEGMENT6 || '.' ||
           GCC.SEGMENT7 || '.' || GCC.SEGMENT8 || '.' || GCC.SEGMENT9 OFFSET_ACCOUNT,
           OOD.ORGANIZATION_CODE,
           CIDV.SUBINVENTORY_CODE OFFSET_SUBINV,
           MIL.SEGMENT1 || '.' || MIL.SEGMENT2 || '.' || MIL.SEGMENT3 || '.' ||
           MIL.SEGMENT4 || '.' || MIL.SEGMENT5 OFFSET_LOCATOR,
           CIDV.LAST_UPDATE_LOGIN
      FROM APPS.CST_INV_DISTRIBUTION_V       CIDV,
           APPS.GL_CODE_COMBINATIONS         GCC,
           APPS.MTL_ITEM_LOCATIONS           MIL,
           APPS.ORG_ORGANIZATION_DEFINITIONS OOD
    WHERE CIDV.TRANSACTION_ID = :B2
       AND CIDV.PRIMARY_QUANTITY = (-1) * :B1
       AND CIDV.REFERENCE_ACCOUNT = GCC.CODE_COMBINATION_ID
       AND OOD.ORGANIZATION_ID = CIDV.ORGANIZATION_ID
       AND MIL.INVENTORY_LOCATION_ID = CIDV.LOCATOR_ID
       AND GCC.ACCOUNT_TYPE = 'A'****************
    TKPROF
    call     count       cpu    elapsed       disk      query    current        rows
    Parse        1      0.00       0.00          0          0          0           0
    Execute  68337     10.32      10.32          0          0          0           0
    Fetch    68337    229.75     936.36      58819    6743323       1121       68232
    total   136675    240.07     946.69      58819    6743323       1121       68232
    Misses in library cache during parse: 1
    Misses in library cache during execute: 1
    Optimizer mode: ALL_ROWS
    Parsing user id: 203     (recursive depth: 1)
    Number of plan statistics captured: 1
    Rows (1st) Rows (avg) Rows (max)  Row Source Operation
             1          1          1  MERGE JOIN CARTESIAN (cr=102 pr=15 pw=0 time=193608 us cost=56 size=219 card=1)
             1          1          1   NESTED LOOPS  (cr=100 pr=15 pw=0 time=193483 us cost=53 size=219 card=1)
             1          1          1    NESTED LOOPS  (cr=99 pr=15 pw=0 time=193407 us cost=52 size=215 card=1)
             1          1          1     NESTED LOOPS  (cr=96 pr=15 pw=0 time=193378 us cost=51 size=190 card=1)
             1          1          1      NESTED LOOPS  (cr=93 pr=15 pw=0 time=193284 us cost=49 size=162 card=1)
             1          1          1       NESTED LOOPS  (cr=89 pr=14 pw=0 time=185515 us cost=46 size=138 card=1)
             1          1          1        NESTED LOOPS  (cr=85 pr=12 pw=0 time=157975 us cost=44 size=81 card=1)
             1          1          1         NESTED LOOPS  (cr=83 pr=12 pw=0 time=157925 us cost=43 size=73 card=1)
             1          1          1          NESTED LOOPS  (cr=81 pr=12 pw=0 time=157641 us cost=43 size=132 card=2)
             1          1          1           VIEW  CST_INV_DISTRIBUTION_V (cr=78 pr=12 pw=0 time=156386 us cost=41 size=118 card=2)
             1          1          1            UNION-ALL  (cr=78 pr=12 pw=0 time=156378 us)
             0          0          0             NESTED LOOPS OUTER (cr=44 pr=9 pw=0 time=124997 us cost=20 size=291 card=1)
             0          0          0              NESTED LOOPS  (cr=44 pr=9 pw=0 time=124993 us cost=18 size=255 card=1)
             0          0          0               NESTED LOOPS  (cr=44 pr=9 pw=0 time=124990 us cost=18 size=251 card=1)
            33         33         33                MERGE JOIN CARTESIAN (cr=25 pr=6 pw=0 time=98544 us cost=14 size=192 card=1)
             1          1          1                 NESTED LOOPS OUTER (cr=22 pr=5 pw=0 time=85754 us cost=12 size=156 card=1)
             1          1          1                  NESTED LOOPS  (cr=19 pr=4 pw=0 time=79830 us cost=10 size=120 card=1)
             1          1          1                   NESTED LOOPS OUTER (cr=17 pr=4 pw=0 time=79813 us cost=9 size=113 card=1)
             1          1          1                    NESTED LOOPS  (cr=15 pr=4 pw=0 time=79752 us cost=8 size=106 card=1)
             1          1          1                     NESTED LOOPS  (cr=11 pr=2 pw=0 time=43120 us cost=6 size=93 card=1)
             1          1          1                      NESTED LOOPS  (cr=7 pr=2 pw=0 time=43087 us cost=4 size=83 card=1)
             1          1          1                       NESTED LOOPS  (cr=6 pr=2 pw=0 time=43072 us cost=4 size=80 card=1)
             1          1          1                        TABLE ACCESS BY INDEX ROWID MTL_MATERIAL_TRANSACTIONS (cr=5 pr=2 pw=0 time=43042 us cost=4 size=76 card=1)
             1          1          1                         INDEX UNIQUE SCAN MTL_MATERIAL_TRANSACTIONS_U1 (cr=4 pr=2 pw=0 time=43011 us cost=3 size=0 card=1)(object id 12484094)
             1          1          1                        INDEX UNIQUE SCAN MTL_TRANSACTION_TYPES_U1 (cr=1 pr=0 pw=0 time=20 us cost=0 size=764 card=191)(object id 9983)
             1          1          1                       INDEX UNIQUE SCAN MTL_TXN_SOURCE_TYPES_U1 (cr=1 pr=0 pw=0 time=7 us cost=0 size=54 card=18)(object id 9987)
             1          1          1                      INDEX UNIQUE SCAN MTL_SYSTEM_ITEMS_B_U1 (cr=4 pr=0 pw=0 time=27 us cost=2 size=736324450 card=73632445)(object id 12484155)
             1          1          1                     INDEX UNIQUE SCAN MTL_SYSTEM_ITEMS_TL_U1 (cr=4 pr=2 pw=0 time=36626 us cost=2 size=957481070 card=73652390)(object id 12484137)
             1          1          1                    TABLE ACCESS BY INDEX ROWID MTL_PARAMETERS (cr=2 pr=0 pw=0 time=42 us cost=1 size=3290 card=470)
             1          1          1                     INDEX UNIQUE SCAN MTL_PARAMETERS_U1 (cr=1 pr=0 pw=0 time=28 us cost=0 size=0 card=1)(object id 9847)
             1          1          1                   TABLE ACCESS BY INDEX ROWID MTL_PARAMETERS (cr=2 pr=0 pw=0 time=12 us cost=1 size=3290 card=470)
             1          1          1                    INDEX UNIQUE SCAN MTL_PARAMETERS_U1 (cr=1 pr=0 pw=0 time=7 us cost=0 size=0 card=1)(object id 9847)
             0          0          0                  INDEX RANGE SCAN FND_LOOKUP_VALUES_U1 (cr=3 pr=1 pw=0 time=5915 us cost=2 size=36 card=1)(object id 705891)
            33         33         33                 BUFFER SORT (cr=3 pr=1 pw=0 time=12713 us cost=12 size=36 card=1)
            33         33         33                  INDEX RANGE SCAN FND_LOOKUP_VALUES_U1 (cr=3 pr=1 pw=0 time=12582 us cost=2 size=36 card=1)(object id 705891)
             0          0          0                TABLE ACCESS BY INDEX ROWID MTL_TRANSACTION_ACCOUNTS (cr=19 pr=3 pw=0 time=26591 us cost=4 size=59 card=1)
            66         66         66                 INDEX RANGE SCAN MTL_TRANSACTION_ACCOUNTS_N1 (cr=18 pr=2 pw=0 time=13607 us cost=3 size=0 card=3)(object id 12484127)
             0          0          0               INDEX UNIQUE SCAN MTL_PARAMETERS_U1 (cr=0 pr=0 pw=0 time=0 us cost=0 size=4 card=1)(object id 9847)
             0          0          0              INDEX RANGE SCAN FND_LOOKUP_VALUES_U1 (cr=0 pr=0 pw=0 time=0 us cost=2 size=36 card=1)(object id 705891)
             1          1          1             NESTED LOOPS  (cr=34 pr=3 pw=0 time=31269 us cost=21 size=288 card=1)
             1          1          1              NESTED LOOPS  (cr=30 pr=3 pw=0 time=31161 us cost=19 size=275 card=1)
             1          1          1               NESTED LOOPS  (cr=26 pr=3 pw=0 time=31105 us cost=17 size=265 card=1)
             1          1          1                NESTED LOOPS  (cr=25 pr=3 pw=0 time=31082 us cost=17 size=261 card=1)
             1          1          1                 NESTED LOOPS OUTER (cr=23 pr=3 pw=0 time=31027 us cost=16 size=254 card=1)
             1          1          1                  NESTED LOOPS  (cr=21 pr=3 pw=0 time=30980 us cost=15 size=247 card=1)
             1          1          1                   NESTED LOOPS  (cr=20 pr=3 pw=0 time=30957 us cost=15 size=243 card=1)
             1          1          1                    NESTED LOOPS OUTER (cr=19 pr=3 pw=0 time=30926 us cost=15 size=240 card=1)
             1          1          1                     NESTED LOOPS  (cr=16 pr=3 pw=0 time=30389 us cost=13 size=204 card=1)
             1          1          1                      NESTED LOOPS  (cr=11 pr=0 pw=0 time=665 us cost=9 size=131 card=1)
             1          1          1                       NESTED LOOPS OUTER (cr=8 pr=0 pw=0 time=306 us cost=7 size=95 card=1)
             1          1          1                        TABLE ACCESS BY INDEX ROWID MTL_TRANSACTION_ACCOUNTS (cr=5 pr=0 pw=0 time=37 us cost=5 size=59 card=1)
             2          2          2                         INDEX RANGE SCAN MTL_TRANSACTION_ACCOUNTS_N1 (cr=4 pr=0 pw=0 time=17 us cost=4 size=0 card=3)(object id 12484127)
             1          1          1                        INDEX RANGE SCAN FND_LOOKUP_VALUES_U1 (cr=3 pr=0 pw=0 time=216 us cost=2 size=36 card=1)(object id 705891)
             1          1          1                       INDEX RANGE SCAN FND_LOOKUP_VALUES_U1 (cr=3 pr=0 pw=0 time=352 us cost=2 size=36 card=1)(object id 705891)
             1          1          1                      TABLE ACCESS BY INDEX ROWID MTL_MATERIAL_TRANSACTIONS (cr=5 pr=3 pw=0 time=29716 us cost=4 size=73 card=1)
             1          1          1                       INDEX RANGE SCAN MTL_MATERIAL_TRANSACTIONS_N23 (cr=4 pr=3 pw=0 time=29588 us cost=3 size=0 card=1)(object id 12484133)
             0          0          0                     INDEX RANGE SCAN FND_LOOKUP_VALUES_U1 (cr=3 pr=0 pw=0 time=520 us cost=2 size=36 card=1)(object id 705891)
             1          1          1                    INDEX UNIQUE SCAN MTL_TXN_SOURCE_TYPES_U1 (cr=1 pr=0 pw=0 time=22 us cost=0 size=3 card=1)(object id 9987)
             1          1          1                   INDEX UNIQUE SCAN MTL_TRANSACTION_TYPES_U1 (cr=1 pr=0 pw=0 time=16 us cost=0 size=4 card=1)(object id 9983)
             1          1          1                  TABLE ACCESS BY INDEX ROWID MTL_PARAMETERS (cr=2 pr=0 pw=0 time=34 us cost=1 size=7 card=1)
             1          1          1                   INDEX UNIQUE SCAN MTL_PARAMETERS_U1 (cr=1 pr=0 pw=0 time=19 us cost=0 size=0 card=1)(object id 9847)
             1          1          1                 TABLE ACCESS BY INDEX ROWID MTL_PARAMETERS (cr=2 pr=0 pw=0 time=44 us cost=1 size=7 card=1)
             1          1          1                  INDEX UNIQUE SCAN MTL_PARAMETERS_U1 (cr=1 pr=0 pw=0 time=14 us cost=0 size=0 card=1)(object id 9847)
             1          1          1                INDEX UNIQUE SCAN MTL_PARAMETERS_U1 (cr=1 pr=0 pw=0 time=13 us cost=0 size=4 card=1)(object id 9847)
             1          1          1               INDEX UNIQUE SCAN MTL_SYSTEM_ITEMS_B_U1 (cr=4 pr=0 pw=0 time=49 us cost=2 size=10 card=1)(object id 12484155)
             1          1          1              INDEX UNIQUE SCAN MTL_SYSTEM_ITEMS_TL_U1 (cr=4 pr=0 pw=0 time=96 us cost=2 size=13 card=1)(object id 12484137)
             1          1          1           TABLE ACCESS BY INDEX ROWID HR_ALL_ORGANIZATION_UNITS (cr=3 pr=0 pw=0 time=1246 us cost=1 size=7 card=1)
             1          1          1            INDEX UNIQUE SCAN HR_ORGANIZATION_UNITS_PK (cr=2 pr=0 pw=0 time=24 us cost=0 size=0 card=1)(object id 250158)
             1          1          1          INDEX UNIQUE SCAN HR_ALL_ORGANIZATION_UNTS_TL_PK (cr=2 pr=0 pw=0 time=275 us cost=0 size=7 card=1)(object id 689101)
             1          1          1         TABLE ACCESS BY INDEX ROWID MTL_PARAMETERS (cr=2 pr=0 pw=0 time=38 us cost=1 size=8 card=1)
             1          1          1          INDEX UNIQUE SCAN MTL_PARAMETERS_U1 (cr=1 pr=0 pw=0 time=15 us cost=0 size=0 card=1)(object id 9847)
             1          1          1        TABLE ACCESS BY INDEX ROWID GL_CODE_COMBINATIONS (cr=4 pr=2 pw=0 time=27531 us cost=2 size=57 card=1)
             1          1          1         INDEX UNIQUE SCAN GL_CODE_COMBINATIONS_U1 (cr=3 pr=1 pw=0 time=19925 us cost=1 size=0 card=1)(object id 51426)
             1          1          1       TABLE ACCESS BY INDEX ROWID MTL_ITEM_LOCATIONS (cr=4 pr=1 pw=0 time=7758 us cost=3 size=24 card=1)
             1          1          1        INDEX RANGE SCAN MTL_ITEM_LOCATIONS_U1 (cr=3 pr=0 pw=0 time=51 us cost=2 size=0 card=1)(object id 9761)
             1          1          1      TABLE ACCESS BY INDEX ROWID HR_ORGANIZATION_INFORMATION (cr=3 pr=0 pw=0 time=85 us cost=2 size=28 card=1)
             1          1          1       INDEX RANGE SCAN HR_ORGANIZATION_INFORMATIO_FK2 (cr=2 pr=0 pw=0 time=29 us cost=1 size=0 card=2)(object id 5379798)
             1          1          1     TABLE ACCESS BY INDEX ROWID HR_ORGANIZATION_INFORMATION (cr=3 pr=0 pw=0 time=25 us cost=1 size=25 card=1)
             1          1          1      INDEX RANGE SCAN HR_ORGANIZATION_INFORMATIO_FK2 (cr=2 pr=0 pw=0 time=11 us cost=1 size=0 card=1)(object id 5379798)
             1          1          1    INDEX FULL SCAN GL_SETS_OF_BOOKS_U2 (cr=1 pr=0 pw=0 time=69 us cost=1 size=4 card=1)(object id 1380842)
             1          1          1   BUFFER SORT (cr=2 pr=0 pw=0 time=110 us cost=55 size=0 card=1)
             1          1          1    TABLE ACCESS FULL FND_PRODUCT_GROUPS (cr=2 pr=0 pw=0 time=59 us cost=3 size=0 card=1)
    Elapsed times include waiting on following events:
      Event waited on                             Times   Max. Wait  Total Waited
      ----------------------------------------   Waited  ----------  ------------
      library cache lock                              2        0.00          0.00
      library cache pin                               2        0.00          0.00
      Disk file operations I/O                      249        0.00          0.00
      db file sequential read                     58819        2.61        714.28
      gc cr grant 2-way                            5198        0.16          4.52
      gc current grant busy                           1        0.00          0.00
      KJC: Wait for msg sends to complete           517        0.00          0.05
      library cache: mutex X                        433        0.01          0.04
      gc cr grant congested                          28        0.08          0.18
      latch: ges resource hash list                   5        0.00          0.00
      gc current block 2-way                        513        0.11          0.61
      gc current block congested                      2        0.00          0.00
      latch: gc element                              16        0.00          0.01
      latch: cache buffers chains                     4        0.00          0.00
      latch: object queue header operation            3        0.00          0.00
    ********************************************************************************

    Explain Plan for the query
    SELECT STATEMENT, GOAL = ALL_ROWS               Cost=56     Cardinality=1     Bytes=219
    MERGE JOIN CARTESIAN               Cost=56     Cardinality=1     Bytes=219
      NESTED LOOPS               Cost=53     Cardinality=1     Bytes=219
       NESTED LOOPS               Cost=52     Cardinality=1     Bytes=215
        NESTED LOOPS               Cost=51     Cardinality=1     Bytes=190
         NESTED LOOPS               Cost=49     Cardinality=1     Bytes=162
          NESTED LOOPS               Cost=46     Cardinality=1     Bytes=138
           NESTED LOOPS               Cost=44     Cardinality=1     Bytes=81
            NESTED LOOPS               Cost=43     Cardinality=1     Bytes=73
             NESTED LOOPS               Cost=43     Cardinality=2     Bytes=132
              VIEW     Object owner=APPS     Object name=CST_INV_DISTRIBUTION_V     Cost=41     Cardinality=2     Bytes=118
               UNION-ALL                         
                NESTED LOOPS OUTER               Cost=20     Cardinality=1     Bytes=291
                 NESTED LOOPS               Cost=18     Cardinality=1     Bytes=255
                  NESTED LOOPS               Cost=18     Cardinality=1     Bytes=251
                   MERGE JOIN CARTESIAN               Cost=14     Cardinality=1     Bytes=192
                    NESTED LOOPS OUTER               Cost=12     Cardinality=1     Bytes=156
                     NESTED LOOPS               Cost=10     Cardinality=1     Bytes=120
                      NESTED LOOPS OUTER               Cost=9     Cardinality=1     Bytes=113
                       NESTED LOOPS               Cost=8     Cardinality=1     Bytes=106
                        NESTED LOOPS               Cost=6     Cardinality=1     Bytes=93
                         NESTED LOOPS               Cost=4     Cardinality=1     Bytes=83
                          NESTED LOOPS               Cost=4     Cardinality=1     Bytes=80
                           TABLE ACCESS BY INDEX ROWID     Object owner=INV     Object name=MTL_MATERIAL_TRANSACTIONS     Cost=4     Cardinality=1     Bytes=76
                            INDEX UNIQUE SCAN     Object owner=INV     Object name=MTL_MATERIAL_TRANSACTIONS_U1     Cost=3     Cardinality=1     
                           INDEX UNIQUE SCAN     Object owner=INV     Object name=MTL_TRANSACTION_TYPES_U1     Cost=0     Cardinality=191     Bytes=764
                          INDEX UNIQUE SCAN     Object owner=INV     Object name=MTL_TXN_SOURCE_TYPES_U1     Cost=0     Cardinality=18     Bytes=54
                         INDEX UNIQUE SCAN     Object owner=INV     Object name=MTL_SYSTEM_ITEMS_B_U1     Cost=2     Cardinality=73632445     Bytes=736324450
                        INDEX UNIQUE SCAN     Object owner=INV     Object name=MTL_SYSTEM_ITEMS_TL_U1     Cost=2     Cardinality=73652390     Bytes=957481070
                       TABLE ACCESS BY INDEX ROWID     Object owner=INV     Object name=MTL_PARAMETERS     Cost=1     Cardinality=470     Bytes=3290
                        INDEX UNIQUE SCAN     Object owner=INV     Object name=MTL_PARAMETERS_U1     Cost=0     Cardinality=1     
                      TABLE ACCESS BY INDEX ROWID     Object owner=INV     Object name=MTL_PARAMETERS     Cost=1     Cardinality=470     Bytes=3290
                       INDEX UNIQUE SCAN     Object owner=INV     Object name=MTL_PARAMETERS_U1     Cost=0     Cardinality=1     
                     INDEX RANGE SCAN     Object owner=APPLSYS     Object name=FND_LOOKUP_VALUES_U1     Cost=2     Cardinality=1     Bytes=36
                    BUFFER SORT               Cost=12     Cardinality=1     Bytes=36
                     INDEX RANGE SCAN     Object owner=APPLSYS     Object name=FND_LOOKUP_VALUES_U1     Cost=2     Cardinality=1     Bytes=36
                   TABLE ACCESS BY INDEX ROWID     Object owner=INV     Object name=MTL_TRANSACTION_ACCOUNTS     Cost=4     Cardinality=1     Bytes=59
                    INDEX RANGE SCAN     Object owner=INV     Object name=MTL_TRANSACTION_ACCOUNTS_N1     Cost=3     Cardinality=3     
                  INDEX UNIQUE SCAN     Object owner=INV     Object name=MTL_PARAMETERS_U1     Cost=0     Cardinality=1     Bytes=4
                 INDEX RANGE SCAN     Object owner=APPLSYS     Object name=FND_LOOKUP_VALUES_U1     Cost=2     Cardinality=1     Bytes=36
                NESTED LOOPS               Cost=21     Cardinality=1     Bytes=288
                 NESTED LOOPS               Cost=19     Cardinality=1     Bytes=275
                  NESTED LOOPS               Cost=17     Cardinality=1     Bytes=265
                   NESTED LOOPS               Cost=17     Cardinality=1     Bytes=261
                    NESTED LOOPS OUTER               Cost=16     Cardinality=1     Bytes=254
                     NESTED LOOPS               Cost=15     Cardinality=1     Bytes=247
                      NESTED LOOPS               Cost=15     Cardinality=1     Bytes=243
                       NESTED LOOPS OUTER               Cost=15     Cardinality=1     Bytes=240
                        NESTED LOOPS               Cost=13     Cardinality=1     Bytes=204
                         NESTED LOOPS               Cost=9     Cardinality=1     Bytes=131
                          NESTED LOOPS OUTER               Cost=7     Cardinality=1     Bytes=95
                           TABLE ACCESS BY INDEX ROWID     Object owner=INV     Object name=MTL_TRANSACTION_ACCOUNTS     Cost=5     Cardinality=1     Bytes=59
                            INDEX RANGE SCAN     Object owner=INV     Object name=MTL_TRANSACTION_ACCOUNTS_N1     Cost=4     Cardinality=3     
                           INDEX RANGE SCAN     Object owner=APPLSYS     Object name=FND_LOOKUP_VALUES_U1     Cost=2     Cardinality=1     Bytes=36
                          INDEX RANGE SCAN     Object owner=APPLSYS     Object name=FND_LOOKUP_VALUES_U1     Cost=2     Cardinality=1     Bytes=36
                         TABLE ACCESS BY INDEX ROWID     Object owner=INV     Object name=MTL_MATERIAL_TRANSACTIONS     Cost=4     Cardinality=1     Bytes=73
                          INDEX RANGE SCAN     Object owner=INV     Object name=MTL_MATERIAL_TRANSACTIONS_N23     Cost=3     Cardinality=1     
                        INDEX RANGE SCAN     Object owner=APPLSYS     Object name=FND_LOOKUP_VALUES_U1     Cost=2     Cardinality=1     Bytes=36
                       INDEX UNIQUE SCAN     Object owner=INV     Object name=MTL_TXN_SOURCE_TYPES_U1     Cost=0     Cardinality=1     Bytes=3
                      INDEX UNIQUE SCAN     Object owner=INV     Object name=MTL_TRANSACTION_TYPES_U1     Cost=0     Cardinality=1     Bytes=4
                     TABLE ACCESS BY INDEX ROWID     Object owner=INV     Object name=MTL_PARAMETERS     Cost=1     Cardinality=1     Bytes=7
                      INDEX UNIQUE SCAN     Object owner=INV     Object name=MTL_PARAMETERS_U1     Cost=0     Cardinality=1     
                    TABLE ACCESS BY INDEX ROWID     Object owner=INV     Object name=MTL_PARAMETERS     Cost=1     Cardinality=1     Bytes=7
                     INDEX UNIQUE SCAN     Object owner=INV     Object name=MTL_PARAMETERS_U1     Cost=0     Cardinality=1     
                   INDEX UNIQUE SCAN     Object owner=INV     Object name=MTL_PARAMETERS_U1     Cost=0     Cardinality=1     Bytes=4
                  INDEX UNIQUE SCAN     Object owner=INV     Object name=MTL_SYSTEM_ITEMS_B_U1     Cost=2     Cardinality=1     Bytes=10
                 INDEX UNIQUE SCAN     Object owner=INV     Object name=MTL_SYSTEM_ITEMS_TL_U1     Cost=2     Cardinality=1     Bytes=13
              TABLE ACCESS BY INDEX ROWID     Object owner=HR     Object name=HR_ALL_ORGANIZATION_UNITS     Cost=1     Cardinality=1     Bytes=7
               INDEX UNIQUE SCAN     Object owner=HR     Object name=HR_ORGANIZATION_UNITS_PK     Cost=0     Cardinality=1     
             INDEX UNIQUE SCAN     Object owner=HR     Object name=HR_ALL_ORGANIZATION_UNTS_TL_PK     Cost=0     Cardinality=1     Bytes=7
            TABLE ACCESS BY INDEX ROWID     Object owner=INV     Object name=MTL_PARAMETERS     Cost=1     Cardinality=1     Bytes=8
             INDEX UNIQUE SCAN     Object owner=INV     Object name=MTL_PARAMETERS_U1     Cost=0     Cardinality=1     
           TABLE ACCESS BY INDEX ROWID     Object owner=GL     Object name=GL_CODE_COMBINATIONS     Cost=2     Cardinality=1     Bytes=57
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  • Is there any way to tune this query? EXPLAIN PLAN included

    DB version:10gR2
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    | Id  | Operation                      |  Name               | Rows  | Bytes | Cost (%CPU)|
    |   0 | SELECT STATEMENT               |                     |     1 |    86 |    86   (2)|
    |   1 |  SORT AGGREGATE                |                     |     1 |    86 |            |
    |   2 |   NESTED LOOPS OUTER           |                     |   898 | 77228 |    86   (2)|
    |   3 |    INLIST ITERATOR             |                     |       |       |            |
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    |*  7 |     INDEX UNIQUE SCAN          | PK_INVN_SCOPE_DTL  |     1 |       |            |
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    William Robertson wrote:
    I notice an OR predicate in the middle of some AND predicates without explicit bracketing. Are you sure it does what you think it does?I underline this point.
    A conjuction (AND expression) has a higher priority and will be executed (logically) before the disjunction (OR expression)! So your select looks like this
    SELECT COUNT(1)
    FROM INVN_SCOPE_DTL, ship_dtl
    WHERE
          ( ship_dtl.WHSE = INVN_SCOPE_DTL.WHSE (+)
          AND 'QC' = INVN_SCOPE_DTL.FROM_WORK_GRP (+)
          AND  'MQN' = INVN_SCOPE_DTL.FROM_WORK_AREA (+)
          AND  ship_dtl.START_CURR_WORK_GRP = INVN_SCOPE_DTL.TO_WORK_GRP (+)
          AND  ship_dtl.START_CURR_WORK_AREA = INVN_SCOPE_DTL.TO_WORK_AREA (+)
          AND  ship_dtl.WHSE = '930'
          AND  ship_dtl.OWNER_USER_ID = 'CTZDM'
    OR   ( ship_dtl.OWNER_USER_ID = '*'
          AND ship_dtl.STAT_CODE >= '10'
          AND ship_dtl.STAT_CODE <= '20'
    ;This might be want you want, but I doubt it very much. Please add parenthesis', to get it working the way it should be.
    Edited by: Sven W. on Oct 16, 2008 3:25 PM

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