QUERY EXPLAIN_PLAN
Hello GURUS
I am on 10.2.0.2.0. I am sorry for big query. It is running really slow. Also please look at the explain plan
I am trying to fix the problem but still the same, runnig slow.
THE SS_SKU_STORE_WEEK is big table with aroundf 1 million rows, it is also partitioned table.
SS_SKU_STORE ia aslo parttitoned table has around 5000 rows
item and ITEM_VENDOR table has aroun 50 thousand rows.PLEASE SUGGEST ME THE SOLUTION.
is there any better way to display execution plan.
Also do we need index in the query if the table is already partitioned
SELECT /*+ index( ss_sku_store SS_SKU_ST_PK ) */
TO_NUMBER( ss_sku_store.sku || ss_sku_store.store_num) rowkey,
ss_sku_store.sku psku,
' ' || INITCAP( item.descrip ) description,
dept_id,
TO_CHAR( dept_id ) || '.' || TO_CHAR( sub_dept_id ) subdepartment,
TO_CHAR( dept_id ) || '.' || TO_CHAR( sub_dept_id ) ||'.'|| TO_CHAR( class_id ) class,
NVL( vendor_id, -1 ),
NVL( buyer_num, -1),
NVL( TRIM(pattern_cd), -1),
DECODE(Color_Cd, 0, -1, NVL( Color_Cd, -1)) Color_Cd,
NVL( size_cd, -1),
-1 list_id,
ss_sku.sku skuattribute,
ss_sku_store.store_num pstore,
INITCAP( store.name ) location,
store.state,
NVL( INITCAP( regional_vp), 0) regional_vp,
NVL( INITCAP( regional_merch_mgr), 0) regional_merch_mgr,
NVL( INITCAP( district_mgr), 0) district_mgr,
NVL( INITCAP( area_mgr), 0) area_mgr,
NVL( sq_footage, -1),
SUBSTR( '000' || fashion_attribute.seq, -3, 3 ) || NVL( store.fashion_att_cd, '' ) fashion_att_cd,
SUBSTR( '000' || cust_profile.seq, -3, 3 ) || NVL( store.cust_type_cd, '' ) cust_type_cd,
NVL( section_count, -1) section_count,
'000' corp_vol_grp_cd,
0 storegroup,
store.store_num storeattribute,
0 storesort,
submit_status,
DECODE( current_user, current_user, 1) lockedflag,
'' aggregatedrowkey,
'' AttributeDescription,
starting_on_hand onhand
FROM cust_profile,
fashion_attribute,
( SELECT vendor_id,
sku
FROM item_vendor
WHERE sku IN ( SELECT sku
FROM ss_session_sku
WHERE user_key = 164)
AND primary_flag = 1 ) primaryvendor,
( SELECT SKU,
DECODE( status, 0, 0, DECODE( status, 1 ,0 ,1) ) AS submit_status
FROM ( SELECT /*+ full(ss_session_sku) use_nl(ss_session_sku,ss_sku_store_week) index(ss_sku_store_week SS_SKU_STR_WK_SKU )*/
SS_SKU_Store_Week.SKU,
MAX( NVL( ssk_week_status, 0 ) ) AS status
FROM ss_session_sku,
ss_sku_store_week
WHERE user_key = 164
AND ss_sku_store_week.sku = ss_session_sku.sku
GROUP BY ss_sku_store_week.sku )
) sku_status,
ss_sku,
store,
ss_sku_store,
item
WHERE sku_status.sku = item.sku
AND sku_status.sku = ss_sku.sku
AND sku_status.sku = ss_sku_store.sku
AND sku_status.sku = primaryvendor.sku
AND sku_status.sku = sku_status.sku
AND ss_sku_store.store_num = store.store_num
AND store.cust_type_cd = cust_profile.cust_type_cd(+)
AND store.fashion_att_cd = fashion_attribute.fashion_att_cd(+)
ORDER BY ss_sku_store.sku,
ss_sku_store.store_num
PLAN_TABLE_OUTPUT
| Id | Operation | Name | Rows | Bytes | Cost | Pstart| Pstop |
| 0 | SELECT STATEMENT | | 1 | 296 | 14 | | |
| 1 | SORT GROUP BY | | 1 | 296 | 14 | | |
| 2 | NESTED LOOPS OUTER | | 1 | 296 | 13 | | |
| 3 | NESTED LOOPS OUTER | | 1 | 278 | 12 | | |
| 4 | NESTED LOOPS | | 1 | 260 | 11 | | |
| 5 | NESTED LOOPS | | 1 | 178 | 10 | | |
| 6 | NESTED LOOPS | | 1 | 153 | 10 | | |
PLAN_TABLE_OUTPUT
| 7 | NESTED LOOPS | | 1 | 76 | 8 | | |
| 8 | NESTED LOOPS | | 1 | 54 | 7 | | |
| 9 | NESTED LOOPS | | 1 | 44 | 5 | | |
| 10 | NESTED LOOPS | | 1 | 36 | 5 | | |
| 11 | SORT UNIQUE | | 1 | 10 | 1 | | |
| 12 | INDEX RANGE SCAN | SS_SESS_SKU_PK | 1 | 10 | 1 | | |
| 13 | TABLE ACCESS BY INDEX ROWID | ITEM_VENDOR | 1 | 26 | 3 | | |
| 14 | INDEX RANGE SCAN | ITEM_VENDOR_ITEM_FK_IDX | 1 | | 2 | | |
| 15 | PARTITION HASH ITERATOR | | 1 | 8 | 0 | KEY | KEY |
| 16 | TABLE ACCESS BY LOCAL INDEX ROWID| SS_SKU_STORE_WEEK | 1 | 8 | 0 | KEY | KEY |
| 17 | INDEX RANGE SCAN | SS_SKU_STR_WK_SKU | 601 | | 0 | KEY | KEY |
PLAN_TABLE_OUTPUT
| 18 | TABLE ACCESS FULL | SS_SESSION_SKU | 1 | 10 | 2 | | |
| 19 | TABLE ACCESS BY INDEX ROWID | SS_SKU | 1 | 22 | 1 | | |
| 20 | INDEX UNIQUE SCAN | SS_SKU_PK | 1 | | 0 | | |
| 21 | TABLE ACCESS BY INDEX ROWID | ITEM | 1 | 77 | 2 | | |
| 22 | INDEX UNIQUE SCAN | ITEM_PK | 1 | | 1 | | |
| 23 | PARTITION HASH ITERATOR | | 489 | 12225 | 0 | KEY | KEY |
| 24 | TABLE ACCESS BY LOCAL INDEX ROWID | SS_SKU_STORE | 489 | 12225 | 0 | KEY | KEY |
| 25 | INDEX RANGE SCAN | SS_SKU_ST_PK | 69 | | 0 | KEY | KEY |
| 26 | TABLE ACCESS BY INDEX ROWID | STORE | 1 | 82 | 1 | | |
| 27 | INDEX UNIQUE SCAN | STORE_PK | 1 | | 0 | | |
| 28 | TABLE ACCESS BY INDEX ROWID | FASHION_ATTRIBUTE | 1 | 18 | 1 | | |
PLAN_TABLE_OUTPUT
| 29 | INDEX UNIQUE SCAN | FASHION_ATTRIBUTE_PK | 1 | | 0 | | |
| 30 | TABLE ACCESS BY INDEX ROWID | CUST_PROFILE | 1 | 18 | 1 | | |
| 31 | INDEX UNIQUE SCAN | CUST_PROFILE_PK | 1 | | 0 | | |
-----------------------------------------------------------------------------------------------------------------------You help is highly appreciated
Message was edited by:
user553284
How can I check Execution plan for the parameter to be passed for query.
alter session set events '10046 trace name context forever, level 4'This will trace your session. Then:
- issue your query
- disconnect
- lookup the trace file in your user_dump_dest directory on the database server
- tkprof <trace file> a.txt sys=no
- watch the row source operation in that tkprof file
If you want to find out what bind variable values were passed, you'll have to dig in the trace file itself and watch out for #BINDS and the "value=" string.
Good luck.
Regards,
Rob.
Similar Messages
-
Query tuning for data-warehousing application in Oracle 8i.
We have to pick up 24 months old data. Each month data is kept in a different partition.
2007-May month data is kept in PRESC200705 partition
SELECT r.account_id,
p.presc_num,
spm.product_id,
p.month,
t.best_call_state,
sum(p.trx_count)
FROM rlup_assigned_account r,
temp_presc_num_TEST t,
retail.prescrip_retail partition (PRESC200705) p,
sherlock.sherlock_product_mapping spm
WHERE spm.product_id like '056%'
and spm.mds6 = p.product_id
and t.CLIENT_ID = p.presc_num
and r.ndc_pyr_id = p.payer_plan
and t.best_call_state = r.ST
GROUP BY r.account_id,
p.presc_num,
spm.product_id,
p.month,
t.best_call_state
Q This Query is to be tuned
SQL> SELECT table_name,
2 partition_name,
3 high_value,
4 num_rows
5 FROM user_tab_partitions
6 ;
no rows selectedI have the following task:
Requirement:
According to the client, new partitions are created every month.
So the query should contain only the 24 most recent partions leaving one old partition every month.
So, the query becomes dynamic.
The query will have to leave one old partion every month and move ahead with the new partion created.
The total partitions accessed should not cross 24.
Is this possible?
Partition# for OCt 2007
1
2
3
4
5
6
7
24
Partition# for Nov 2007
Old|New
1
2..1
3..2
4..3
5..4
6..5
7..6
24..23
..24
Secondly, with one month data (in a partitioned table), the query takes about one hour to run.
with 24 month data accessed by the query, the query will take 24 hours to run.
I am sure that Oracle can be tuned to run on such huge data with ease and the query output can
come within seconds.. Otherwise, nobody would use oracle for datawarehousing applicaions.
Q. How do I write a dynamic query that references 24 recent partitions, using the query provided:
abc>SELECT r.account_id,
2 p.presc_num,
3 spm.product_id,
4 p.month,
5 t.best_call_state,
6 sum(p.trx_count)
7 FROM rlup_assigned_account r,
8 temp_presc_num_TEST t,
9 retail.prescrip_retail partition (PRESC200705) p,
10 sherlock.sherlock_product_mapping spm
11 WHERE spm.product_id like '056%'
12 and t.CLIENT_ID='934759'
13 and spm.mds6 = p.product_id
14 and t.CLIENT_ID = p.presc_num
15 and r.ndc_pyr_id = p.payer_plan
16 and t.best_call_state = r.ST
17 GROUP BY r.account_id,
18 p.presc_num,
19 spm.product_id,
20 p.month,
21 t.best_call_state
22 ;
retail.prescrip_retail partition (PRESC200705) p,
Partition name, PRESC200705 cannot be hardcoded into the sql.
Sql should take a range of 24 recent partitions.
And the query should execute fast too.
Now, is that what is called a challenge?
+++++++++++++++++++++++++++++++++++++++++++++++
Here are the index/constraints/explain_plan output on prescrip_retail table (which is partitioned)
as well as other tables to which prescrip_retail table is joined
This is what prescrip_retail looks like. This is the table having partitions.
It does not seem to have a primary key!
SQL> desc prescrip_retail
Name Null? Type
PRESC_NUM NUMBER
PFIER_NUM CHAR(8)
RELID NOT NULL CHAR(9)
ME_NUM NOT NULL CHAR(10)
PRODUCT_ID NOT NULL CHAR(6)
PRODUCT_FRMSTR NOT NULL CHAR(1)
PAYER_PLAN NOT NULL CHAR(6)
MONTH NOT NULL DATE
PYMT_CODE NOT NULL CHAR(1)
NRX_COUNT NOT NULL NUMBER(7)
NRX_QUANTITY NOT NULL NUMBER(9)
NRX_DOLLARS NOT NULL NUMBER(13,2)
TRX_COUNT NOT NULL NUMBER(7)
TRX_QUANTITY NOT NULL NUMBER(9)
TRX_DOLLARS NOT NULL NUMBER(13,2)
Table Size of Prescrip_Retail...
1 select table_name,tablespace_name,pct_free,pct_used,num_rows,avg_space
2 from all_tables
3* where table_name='PRESCRIP_RETAIL'
SQL> /
TABLE_NAME TABLESPACE_NAME PCT_FREE PCT_USED NUM_ROWS AVG_SPACE
PRESCRIP_RETAIL 2806673860 360
Explain Plan for the query to be tuned...
22:32:31 SQL> explain plan set statement_id='vista_query'
22:43:33 2 for
22:43:35 3 SELECT r.pfier_account_id,
22:43:41 4 p.presc_num,
22:43:41 5 spm.product_id,
22:43:41 6 p.month,
22:43:41 7 t.best_call_state,
22:43:41 8 sum(p.trx_count)
22:43:41 9 FROM rlup_assigned_account r,
22:43:41 10 temp_presc_num_TEST t,
22:43:41 11 retail.prescrip_retail partition (PRESC200705) p,
22:43:41 12 sherlock.sherlock_product_mapping spm
22:43:41 13 WHERE spm.product_id like '056%'
22:43:41 14 and spm.mds6 = p.product_id
22:43:41 15 and t.CLIENT_ID = p.presc_num
22:43:41 16 and r.ndc_pyr_id = p.payer_plan
22:43:41 17 and t.best_call_state = r.ST
22:43:41 18 GROUP BY r.pfier_account_id,
22:43:41 19 p.presc_num,
22:43:41 20 spm.product_id,
22:43:41 21 p.month,
22:43:41 22 t.best_call_state;
Explained.
SQL> select statement_id,operation,options,object_name
2 from plan_table
3 where statement_id='vista_query';
22:46:03 SQL> /
STATEMENT_ID OPERATION OPTIONS OBJECT_NAME
vista_query SELECT STATEMENT
vista_query SORT GROUP BY
vista_query HASH JOIN
vista_query TABLE ACCESS FULL TEMP_PRESC_NUM_TEST
vista_query HASH JOIN
vista_query TABLE ACCESS FULL RLUP_ASSIGNED_ACCOUNT
vista_query HASH JOIN
vista_query TABLE ACCESS FULL SHERLOCK_PRODUCT_MAPPING
vista_query TABLE ACCESS FULL PRESCRIP_RETAIL
9 rows selected.
Partition Pruning: This is supposed to provide an insight to the partitions oracle
vists internally...
I guess we can use "month>= add_months(sysdate,-24)" instead of partions too.
I don't think Oracle is visiting any partitions.
I'll also search into all_tab_partitions to verify this.
Explain_Plan for what partitions oracle visits internally (partition pruning):
SQL> ed
Wrote file afiedt.buf
1 explain plan set statement_id='vista'
2 for select * from retail.prescrip_retail
3* where month>= add_months(sysdate,-24)
SQL> /
Explained.
Elapsed: 00:00:00.05
22:13:56 SQL> select statement_id,operation,options,object_name
22:14:28 2 from plan_table
22:14:30 3 where statement_id='vista';
STATEMENT_ID OPERATION
OPTIONS OBJECT_NAME
vista SELECT STATEMENT
vista PARTITION RANGE
ITERATOR
vista TABLE ACCESS
FULL PRESCRIP_RETAIL
Elapsed: 00:00:01.00
Indexes/Constraints on PRESCRIP_RETAIL table:
SQL> ED
Wrote file afiedt.buf
1 SELECT TABLE_NAME,TABLE_TYPE,INDEX_NAME,INDEX_TYPE,PCT_FREE,STATUS,PARTITIONED
2 FROM ALL_INDEXES
3* WHERE TABLE_NAME IN ('PRESCRIP_RETAIL')
SQL> /
TABLE_NAME TABLE INDEX_NAME INDEX_TYPE PCT_FREE STATUS PAR
PRESCRIP_RETAIL TABLE BX6_PRESC_RELID BITMAP N/A YES
PRESCRIP_RETAIL TABLE BX7_PRESC_ME BITMAP N/A YES
PRESCRIP_RETAIL TABLE BX1_PRESC_PROD BITMAP N/A YES
PRESCRIP_RETAIL TABLE BX2_PRESC_PAYER BITMAP N/A YES
PRESCRIP_RETAIL TABLE BX3_PRESC_PAYERCD BITMAP N/A YES
PRESCRIP_RETAIL TABLE BX4_PRESC_PRESC BITMAP N/A YES
PRESCRIP_RETAIL TABLE BX5_PRESC_PFIER BITMAP N/A YES
7 rows selected.
SQL> ed
Wrote file afiedt.buf
1 SELECT TABLE_NAME,CONSTRAINT_NAME,CONSTRAINT_TYPE,STATUS,DEFERRABLE
2 FROM ALL_CONSTRAINTS
3* WHERE TABLE_NAME IN ('PRESCRIP_RETAIL')
SQL> /
TABLE_NAME CONSTRAINT_NAME C STATUS DEFERRABLE
PRESCRIP_RETAIL SYS_C001219 C ENABLED NOT DEFERRABLE
PRESCRIP_RETAIL SYS_C001220 C ENABLED NOT DEFERRABLE
PRESCRIP_RETAIL SYS_C001221 C ENABLED NOT DEFERRABLE
PRESCRIP_RETAIL SYS_C001222 C ENABLED NOT DEFERRABLE
PRESCRIP_RETAIL SYS_C001223 C ENABLED NOT DEFERRABLE
PRESCRIP_RETAIL SYS_C001224 C ENABLED NOT DEFERRABLE
PRESCRIP_RETAIL SYS_C001225 C ENABLED NOT DEFERRABLE
PRESCRIP_RETAIL SYS_C001226 C ENABLED NOT DEFERRABLE
PRESCRIP_RETAIL SYS_C001227 C ENABLED NOT DEFERRABLE
PRESCRIP_RETAIL SYS_C001228 C ENABLED NOT DEFERRABLE
PRESCRIP_RETAIL SYS_C001229 C ENABLED NOT DEFERRABLE
PRESCRIP_RETAIL SYS_C001230 C ENABLED NOT DEFERRABLE
PRESCRIP_RETAIL SYS_C001231 C ENABLED NOT DEFERRABLE
13 rows selected.
In all_tables:
NUM_ROWS:2806673860
AVG_SPACE:360
Here is the data size in the table.
SQL> select count(*) from PRESCRIP_RETAIL;
COUNT(*)
4602980312
Again, here is the partition information and the amount of data in each partition:
SQL> ed
Wrote file afiedt.buf
1 select
2 partition_name,SUBPARTITION_COUNT,PARTITION_POSITION,TABLESPACE_NAME,
3 NUM_ROWS
4 from all_tab_partitions
5 where table_name='PRESCRIP_RETAIL'
6* order by partition_name desc
SQL> /
PARTITION_NAME SUBPARTITION_COUNT PARTITION_POSITION TABLESPACE_NAME NUM_ROWS
PRESC200705 0 36 PRESC_PARTITION_29 141147085
PRESC200704 0 35 PRESC_PARTITION_28 140299317
PRESC200703 0 34 PRESC_PARTITION_27 140703128
PRESC200702 0 33 PRESC_PARTITION_26 132592733
PRESC200701 0 32 PRESC_PARTITION_25 145832356
PRESC200612 0 31 PRESC_PARTITION_24 136702837
PRESC200611 0 30 PRESC_PARTITION_23 137421767
PRESC200610 0 29 PRESC_PARTITION_22 140836119
PRESC200609 0 28 PRESC_PARTITION_21 131273578
PRESC200608 0 27 PRESC_PARTITION_20 134967317
PRESC200607 0 26 PRESC_PARTITION_19 130785504
PRESC200606 0 25 PRESC_PARTITION_18 131472696
PRESC200605 0 24 PRESC_PARTITION_17 138590581
PRESC200604 0 23 PRESC_PARTITION_16 126849798
PRESC200603 0 22 PRESC_PARTITION_15 137164667
PRESC200602 0 21 PRESC_PARTITION_14 126938544
PRESC200601 0 20 PRESC_PARTITION_13 135408324
PRESC200512 0 19 PRESC_PARTITION_12 123285100
PRESC200511 0 18 PRESC_PARTITION_11 121245764
PRESC200510 0 17 PRESC_PARTITION_10 122112932
PRESC200509 0 16 PRESC_PARTITION_09 119137399
PRESC200508 0 15 PRESC_PARTITION_08 123372311
PRESC200507 0 14 PRESC_PARTITION_07 112905435
PRESC200506 0 13 PRESC_PARTITION_06 119581406
PRESC200505 0 12 PRESC_PARTITION_05 123977315
PRESC200504 0 11 PRESC_PARTITION_04 118975597
PRESC200503 0 10 PRESC_PARTITION_03 125782688
PRESC200502 0 9 PRESC_PARTITION_02 117448839
PRESC200501 0 8 PRESC_PARTITION_01 122214436
PRESC200412 0 7 PRESC_PARTITION_36 124799998
PRESC200411 0 6 PRESC_PARTITION_35 125471042
PRESC200410 0 5 PRESC_PARTITION_34 118457422
PRESC200409 0 4 PRESC_PARTITION_33 119537488
PRESC200408 0 3 PRESC_PARTITION_32 121319137
PRESC200407 0 2 PRESC_PARTITION_31 115226621
PRESC200406 0 1 PRESC_PARTITION_30 119143031
36 rows selected.
Data in induvidual partition of PRESCRIP_RETAIL.
SQL> SELECT COUNT(*) FROM PRESCRIP_RETAIL PARTITION(PRESC200704);
COUNT(*)
140299317
SQL> SELECT COUNT(*) FROM PRESCRIP_RETAIL PARTITION(PRESC200703);
COUNT(*)
140703128
SQL> SELECT COUNT(*) FROM PRESCRIP_RETAIL PARTITION(PRESC200702);
COUNT(*)
132592733
SQL> SELECT COUNT(*) FROM PRESCRIP_RETAIL PARTITION(PRESC200701);
COUNT(*)
145832356
SQL> SELECT COUNT(*) FROM PRESCRIP_RETAIL PARTITION(PRESC200606);
COUNT(*)
131472696
SQL> SELECT COUNT(*) FROM PRESCRIP_RETAIL PARTITION(PRESC200605);
COUNT(*)
138590581
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Other tables info:
Index of other tables related to PRESCRIP_REATIL:
SQL> SELECT TABLE_NAME,TABLE_TYPE,INDEX_NAME,INDEX_TYPE,PCT_FREE,STATUS,PARTITIONED
2 FROM ALL_INDEXES
3 WHERE TABLE_NAME IN ('RLUP_ASSIGNED_ACCOUNT','TEMP_PRESC_NUM_TEST','SHERLOCK_PRODUCT_MAPPING');
SQL> /
TABLE_NAME TABLE INDEX_NAME INDEX_TYPE PCT_FREE STATUS PAR
SHERLOCK_PRODUCT_MAPPING TABLE SHERLOCK_PRODUCT_MAPPING_PK NORMAL 10 VALID NO
SHERLOCK_PRODUCT_MAPPING TABLE SHERLOCK_PRODUCT_MAPPING_X1 NORMAL 0 VALID NO
SHERLOCK_PRODUCT_MAPPING TABLE SHERLOCK_PRODUCT_MAPPING_BX1 BITMAP 0 VALID NO
SHERLOCK_PRODUCT_MAPPING TABLE SHERLOCK_PRODUCT_MAPPING_BX2 BITMAP 0 VALID NO
SHERLOCK_PRODUCT_MAPPING TABLE SHERLOCK_PRODUCT_MAPPING_BX3 BITMAP 0 VALID NO
RLUP_ASSIGNED_ACCOUNT TABLE BX1_RLUP_ASSIGNED_ACCT_PYR BITMAP 10 VALID NO
RLUP_ASSIGNED_ACCOUNT TABLE BX2_RLUP_ASSIGNED_ACCT_TOPLVL BITMAP 10 VALID NO
RLUP_ASSIGNED_ACCOUNT TABLE BX3_RLUP_ASSIGNED_ACCT_PBM BITMAP 10 VALID NO
RLUP_ASSIGNED_ACCOUNT TABLE BX4_RLUP_ASSIGNED_ACCT_AA_FLAG BITMAP 10 VALID NO
RLUP_ASSIGNED_ACCOUNT TABLE BX5_RLUP_ASSIGNED_ACCT_AA_CHD BITMAP 10 VALID NO
RLUP_ASSIGNED_ACCOUNT TABLE BX6_RLUP_ASSIGNED_ACCT_PBM_FLG BITMAP 10 VALID NO
RLUP_ASSIGNED_ACCOUNT TABLE BX7_RLUP_ASSIGNED_ACCT_ACCTID BITMAP 10 VALID NO
RLUP_ASSIGNED_ACCOUNT TABLE PK_RLUP_ASSIGNED_ACCOUNT NORMAL 10 VALID NO
13 rows selected.
Constraints in other tables:
SQL> SELECT TABLE_NAME,CONSTRAINT_NAME,CONSTRAINT_TYPE,STATUS,DEFERRABLE
2 FROM ALL_CONSTRAINTS
3 WHERE TABLE_NAME IN ('RLUP_ASSIGNED_ACCOUNT','TEMP_PRESC_NUM_TEST','SHERLOCK_PRODUCT_MAPPING');
TABLE_NAME CONSTRAINT_NAME C STATUS DEFERRABLE
RLUP_ASSIGNED_ACCOUNT SYS_C00637753 C ENABLED NOT DEFERRABLE
RLUP_ASSIGNED_ACCOUNT SYS_C00637754 C ENABLED NOT DEFERRABLE
RLUP_ASSIGNED_ACCOUNT SYS_C00637755 C ENABLED NOT DEFERRABLE
RLUP_ASSIGNED_ACCOUNT SYS_C00637756 C ENABLED NOT DEFERRABLE
RLUP_ASSIGNED_ACCOUNT SYS_C00637757 C ENABLED NOT DEFERRABLE
RLUP_ASSIGNED_ACCOUNT SYS_C00637758 C ENABLED NOT DEFERRABLE
RLUP_ASSIGNED_ACCOUNT SYS_C00637759 C ENABLED NOT DEFERRABLE
RLUP_ASSIGNED_ACCOUNT SYS_C00637760 C ENABLED NOT DEFERRABLE
RLUP_ASSIGNED_ACCOUNT SYS_C00637761 C ENABLED NOT DEFERRABLE
RLUP_ASSIGNED_ACCOUNT SYS_C00637762 C ENABLED NOT DEFERRABLE
RLUP_ASSIGNED_ACCOUNT PK_RLUP_ASSIGNED_ACCOUNT P ENABLED NOT DEFERRABLE
TEMP_PRESC_NUM_TEST SYS_C00640536 C ENABLED NOT DEFERRABLE
12 rows selected.
TEMP_PRESC_NUM_TEST does not contain any constraints or index. -
[Oracle 8i] Help with query performance
The following query is running VERY slowly for me:
SELECT oord.part_nbr
, sopn.ord_nbr
, sopn.sub_ord_nbr
, sopn.major_seq_nbr
, sopn.wctr_id
, sopn.oper_desc
, SUM(pact.act_dlrs_earned+pact.act_brdn_dls_earned+pact.tool_dlrs_earned+pact.act_fix_brdn_dls_ea)
, pact.activity_date
FROM PACT pact
, SOPN sopn
, OORD oord
WHERE pact.order_nbr = sopn.ord_nbr AND
pact.maj_seq_nbr = sopn.major_seq_nbr AND
sopn.sub_ord_nbr = pact.sub_order_nbr AND
sopn.ord_nbr = oord.ord_nbr AND
sopn.sub_ord_nbr = oord.sub_ord_nbr AND
pact.activity_date >= ? AND
sopn.rework_ind = 'N' AND
(oord.part_nbr, sopn.major_seq_nbr, sopn.wctr_id)
NOT IN (
SELECT rout.doc_nbr
, rout.major_seq_nbr
, rout.wctr_id
FROM ROUT rout
WHERE (rout.begn_eff_dt <=SYSDATE) AND
(rout.end_eff_dt >SYSDATE) AND
(rout.po_rework_ind ='N')
GROUP BY oord.part_nbr
, sopn.ord_nbr
, sopn.sub_ord_nbr
, sopn.major_seq_nbr
, sopn.wctr_id
, sopn.oper_desc
, pact.activity_dateI sent a request off to my IT department (specifically asking for the explain plan and tkprof, as described in the [main post on this topic|http://forums.oracle.com/forums/thread.jspa?threadID=501834] ), and they replied with a screen shot of the 'explain plan' the tool they use (Toad) provides.
!http://temp-sample.webs.com/explain_plan.jpg!
I don't know if anyone can help me based off this, since I know it's not really what the main post says to provide, but it's all I was given.
My IT department also made a few changes to my original query (see below) and told me it got rid of one of the full scans of the PACT table, but they aren't sure why it helped, and I have to say I'm suspect of any fixes where it's not understood why it helped.
SELECT oord.part_nbr
, sopn.ord_nbr
, sopn.sub_ord_nbr
, sopn.major_seq_nbr
, sopn.wctr_id
, sopn.oper_desc
, SUM(pact.act_dlrs_earned+pact.act_brdn_dls_earned+pact.tool_dlrs_earned+pact.act_fix_brdn_dls_ea)
, pact.activity_date
FROM PACT pact
, SOPN sopn
, OORD oord
WHERE sopn.ord_nbr = pact.order_nbr AND
sopn.major_seq_nbr = pact.maj_seq_nbr AND
pact.sub_order_nbr = sopn.sub_ord_nbr AND
oord.ord_nbr = sopn.ord_nbr AND
oord.sub_ord_nbr = sopn.sub_ord_nbr AND
(pact.activity_date >= ?) AND
'N' = sopn.rework_ind AND
pact.order_nbr = oord.ord_nbr AND
oord.sub_ord_nbr = pact.sub_order_nbr AND
(oord.part_nbr, pact.maj_seq_nbr, sopn.wctr_id) NOT IN
SELECT /*+ INDEX_JOIN(ROUT) */ rout.doc_nbr
, rout.major_seq_nbr
, rout.wctr_id
FROM ROUT rout
WHERE rout.begn_eff_dt <= SYSDATE AND
rout.end_eff_dt > SYSDATE AND
'N' = rout.po_rework_ind
GROUP BY oord.part_nbr
, sopn.ord_nbr
, sopn.sub_ord_nbr
, sopn.major_seq_nbr
, sopn.wctr_id
, sopn.oper_desc
, pact.activity_dateAny help on this would be appreciated... when I run this (right now) for 2-3 months of data, it takes a minimum of 3 hours to complete, and I'll eventually need to run this for up to a year's worth of data.Hi,
Well, let's see.
You get 156 rows returned using IN and 121 rows using exists.
You need identify the 'missing records' and conclude if that's correct or not, I'm not able to do that from remote, without knowing your data or system.
It would be helpful if we could see cost and cardinalities, you (or your IT dept.) can get them easily be running the queries from your SQL*Plus prompt.
Type
SET AUTOTRACE TRACEONLYbefore running the queries.
That gives you the explain plan and additional statistics (sorts in memory and sorts to disk).
Since you use a group by, and you're on 8i can you also post results of these queries:
select banner from v$version;
select name, value, isdefault from v$parameter where name like '%area%';Finally, does below query give you a different plan?
select oord.part_nbr
, oord.ord_nbr
, oord.sub_ord_nbr
, pact.major_seq_nbr
, sopn.wctr_id
, sopn.oper_desc
, sum(pact.act_dlrs_earned + pact.act_brdn_dls_earned + pact.tool_dlrs_earned + pact.act_fix_brdn_dls_ea)
, pact.activity_date
from oord oord
, pact pact
, sopn sopn
where oord.ord_nbr = pact.order_nbr
and oord.sub_ord_nbr = pact.sub_order_nbr
and oord.ord_nbr = sopn.ord_nbr
and oord.sub_ord_nbr = sopn.sub_ord_nbr
and sopn.major_seq_nbr = pact.maj_seq_nbr
and (pact.activity_date >= ?)
and 'N' = sopn.rework_ind
and (oord.part_nbr, pact.maj_seq_nbr, sopn.wctr_id) not in ( select rout.doc_nbr
, rout.major_seq_nbr
, rout.wctr_id
from rout rout
where rout.begn_eff_dt <= sysdate
and rout.end_eff_dt > sysdate
and 'N' = rout.po_rework_ind)
group by oord.part_nbr
, oord.ord_nbr
, oord.sub_ord_nbr
, pact.major_seq_nbr
, sopn.wctr_id
, sopn.oper_desc
, pact.activity_date -
How do you view the execution plan of a query?
I want to see if a particular index was used for a specific query....
Becareful. You are in the Forum of OBIEE. It's much more a database question.
You can read an plan with a lot of tool. Toad permit it and I assume that Sql Developer also must give it.
Otherwise, you can use the basic command of Oracle as explain plan :
http://gerardnico.com/wiki/database/oracle/explain_plan
Cheers
Nico -
Hi All,
I have the following query which seems to be blowing our temp tablespace.
Can anyone help me in tuning this?
The query and explian plan are below.
Thanks for all your help
select trim(b.pnr_reference) || ',"' || to_char(b.booking_date, 'DD-MON-YY') || '","' || trim(p.title) || '","' ||
trim(p.forename) || '","' || trim(p.surname) || '
","' || trim(p.email) || '","' || trim(b.home_phone) || '","' || trim(b.address_line_1) || '","' ||
trim(b.address_line_2) || '","' || trim(b.address_line_3)
|| '","' || trim(b.postcode) || '","' || trim(b.country_code) || '","' || null || '","' || -- frequent flyer number
trim(b.promo_opt_in) || '","' || trim(bsout.flight_number) || '","' || to_char(bsout.departure_date, 'DD-MON-YY') || '","' ||trim(bsret.flight_number) ||
'","' || to_char(bsret.departure_date, 'DD-MON-YY') || ' ","' || pax_cnt.num_adults || '","' || pax_cnt.num_children || '","' || pax_cnt.num_infants || '","' ||fares_by_booking.gross_fare_adult || '","' || fares_by_booking.gross_fare_child || '","' ||fares_by_booking.gross_fare_infant || '","' || fares_by_booking.total_gross_fare || '","' || trim(ps.fare_basis) || '","' ||trim(ps1.fare_basis) || '","' || null || '","' || -- user_id null || '","' || -- ip_address
fares_by_booking.currency || '","' || trim(bsout.dep_airport_code) || '","' ||trim(bsout.dest_airport_code) || '","' ||fares_by_booking.gross_fare_adult*ex.exchange_rate || '","' || null || '","' || -- iata_no
trim(b.other_opt_in) || '","' || c.returned || '","' || c.not_available ||'","' || c.on_request || '","' || c.matched || '"
,"' || trim(c.location_code) || '","' || to_char(c.pickup_date, 'DD-MON-YY') || '","' || to_char(c.return_date, 'DD-MON-YY') || '","' || c.period || '","' ||
trim(cb.book_ref) || '","' || cb.car_num || '","' ||
c.avail_warn_code || '","' || c.avail_err_code || '",
"' || c.res_warn_code || '","' || c.res_err_code |
| '"' from bookings b, car_hire_transactions c, car_hire_bookings cb, pax p, booking_sectors bsout, booking_sectors bsret, pax_sectors ps, pax_sectors ps1,
exchange_rates ex, (select b2.booking_id, sum(decode(p2.pax_type,'A',1,0)) num_adults, sum(decode(p2.pax_type,'C',1,0)) num_children, sum(decode(p2.pax_type,'I',1
,0)) num_infants from pax p2, bookings b2
where b2.booking_id = p2.booking_id and b2.booking_date
between TO_DATE('08-08-2005/00:00', 'DD-MM-YYYY/HH24:MI') and TO_DATE('15-08-2005/00:00', 'DD-MM-YYYY/HH24:MI') group by
b2.booking_id) pax_cnt, (select booking_id, currency, sum(gross_fare_adult) gross_fare_adult,
sum(gross_fare_child) gross_fare_child, sum(gross_fare_infant) gross_fare_infant,sum(total_gross_fare) total_gross_fare from (select b3.booking_id booking_id, ps3.sector_seq,
ps3.currency_code currency, max(decode(p3.pax_type,'A',ps3.gross_fare,0)) gross_fare_adult,
max(decode(p3.pax_type,'C',ps3.gross_fare,0)) gross_fare_child
, max(decode(p3.pax_type,'I',ps3.gross_fare,0
)) gross_fare_infant, sum(ps3.gross_fare) total_gross_fare from pax p3,pax_sectors ps3, bookings b3 where b3.booking_id = p3.booking_id and b3.booking_id = ps3.booking_id and p3.pax_seq = ps3.pax_seq and b3.booking_date between TO_DATE('08-08-2005/00:00', 'DD-MM-Y
YYY/HH24:MI') and TO_DATE('15-08-2005/00:00', 'DD-MM-YYYY/HH24:M
I') group by b3.booking_id, ps3
.currency_code, ps3.sector_seq) fares_by_sector group by booking_id, currency) fares_by_booking where
b.booking_date between TO_DATE('08-08-2005/00:00', 'DD-MM-YYYY/
HH24:MI') and TO_DATE('15-08-2005/00:00', 'DD-MM-YYYY/HH24:MI')
and b.car_hire_id = c.car_hire_id(+) and c.car_hire_id = cb.
car_hire_id(+) and p.booking_id = b.booking_id and p.pax_seq
= 1 and b.booking_id = bsout.booking_id and bsout.sector_seq = 1 and b.booking_id = bsret.booking_id(+) and bsret.sector_seq(+) = 2 and p.booking_id = ps.booking_id and p.pax_seq
= ps.pax_seq and ps.sector_seq = 1 and p.booking_id = ps1.booking_id(+) and p.pax_seq = ps1.pax_seq(+) and ps1.sector_seq(+) = 2 and b.booking_id = pax_cnt.booking_id and b.booking_id = fares_by_booking.booking_id and ex.currency_from = fares_by_booking.currency and ex.currency_to = 'GBP' and ex.date_entered = (select max(ex2.date_entered) from exchange_rates ex2 where currency_from = fares_by_booking.currency and currency_to = 'GBP' and ex2.date_entered < b.booking_date)
Explain plan
11:34:28 sqlpplus> /
Elapsed: 00:00:00.00
Execution Plan
0
SELECT STATEMENT Optimizer=CHOOSE (Cost=16 Card=1 Bytes=973)
1 0
HASH JOIN (OUTER) (Cost=16 Card=1 Bytes=973)
2 1
HASH JOIN (Cost=9 Card=1 Bytes=958)
3 2
NESTED LOOPS (OUTER) (Cost=6 Card=1 Bytes=902)
4 3
NESTED LOOPS (Cost=6 Card=1 Bytes=871)
5 4
NESTED LOOPS (OUTER) (Cost=6 Card=1 Bytes=812)
6 5
NESTED LOOPS (Cost=6 Card=1 Bytes=753)
7 6
NESTED LOOPS (Cost=6 Card=1 Bytes=533)
8 7
NESTED LOOPS (OUTER) (Cost=6 Card=1 Bytes=475)
9 8
NESTED LOOPS (Cost=6 Card=1 Bytes=429)
10 9
NESTED LOOPS (Cost=6 Card=1 Bytes=412)
11 10
VIEW (Cost=6 Card=1 Bytes=75)
12 11
SORT (GROUP BY) (Cost=6 Card=1 Bytes=84)
13 12
VIEW (Cost=6 Card=1 Bytes=84)
14 13
SORT (GROUP BY) (Cost=6 Card=1 Bytes=118)
15 14
FILTER
16 15
TABLE ACCESS (BY INDEX ROWID) OF 'PAX_SECTORS'
17 16
NESTED LOOPS (Cost=4 Card=1 Bytes=118)
18 17
NESTED LOOPS (Cost=4 Card=1 Bytes=60)
19 18
VIEW OF 'index$_join$_017' (Cost=4 Card=1
Bytes=31)
20 19
HASH JOIN
21 20
INDEX (FAST FULL SCAN) OF 'BOO_PK' (UN
IQUE) (Cost=1 Card=1 Bytes=31)
22 20
INDEX (FAST FULL SCAN) OF 'BOO_SHARES_
UID_UK' (UNIQUE) (Cost=1 Card=1 Bytes=31)
23 18
TABLE ACCESS (BY INDEX ROWID) OF 'PAX'
24 23
INDEX (RANGE SCAN) OF 'PAX_PK' (UNIQUE)
25 17
INDEX (RANGE SCAN) OF 'PXS_PAX_FK_I' (NON-UN
IQUE)
26 10
TABLE ACCESS (BY INDEX ROWID) OF 'BOOKINGS'
27 26
INDEX (UNIQUE SCAN) OF 'BOO_PK' (UNIQUE)
28 9
TABLE ACCESS (BY INDEX ROWID) OF 'EXCHANGE_RATES'
29 28
INDEX (UNIQUE SCAN) OF 'EXR_PK' (UNIQUE)
30 29
SORT (AGGREGATE)
31 30
FIRST ROW (Cost=2 Card=284 Bytes=3692)
32 31
INDEX (RANGE SCAN (MIN/MAX)) OF 'EXR_PK' (UNIQUE) (C
ost=2 Card=200)
33 8
TABLE ACCESS (BY INDEX ROWID) OF 'BOOKING_SECTORS'
34 33
INDEX (UNIQUE SCAN) OF 'BKS_PK' (UNIQUE)
35 7
TABLE ACCESS (BY INDEX ROWID) OF 'BOOKING_SECTORS'
36 35
INDEX (UNIQUE SCAN) OF 'BKS_PK' (UNIQUE)
37 6
TABLE ACCESS (BY INDEX ROWID) OF 'PAX'
38 37
INDEX (UNIQUE SCAN) OF 'PAX_PK' (UNIQUE)
39 5
TABLE ACCESS (BY INDEX ROWID) OF 'PAX_SECTORS'
40 39
INDEX (UNIQUE SCAN) OF 'PXS_UK' (UNIQUE)
41 4
TABLE ACCESS (BY INDEX ROWID) OF 'PAX_SECTORS'
42 41
INDEX (UNIQUE SCAN) OF 'PXS_UK' (UNIQUE)
43 3
TABLE ACCESS (BY INDEX ROWID) OF 'CAR_HIRE_TRANSACTIONS'
44 43
INDEX (UNIQUE SCAN) OF 'CHT_PK' (UNIQUE)
45 2
VIEW (Cost=3 Card=1 Bytes=56)
46 45
SORT (GROUP BY) (Cost=3 Card=1 Bytes=47)
47 46
FILTER
48 47
TABLE ACCESS (BY INDEX ROWID) OF 'PAX'
49 48
NESTED LOOPS (Cost=1 Card=1 Bytes=47)
50 49
TABLE ACCESS (BY INDEX ROWID) OF 'BOOKINGS' (Cost=1 Card=1 Bytes
=31)
51 50
INDEX (SKIP SCAN) OF 'BOO_SHARES_UID_UK' (UNIQUE)
52 49
INDEX (RANGE SCAN) OF 'PAX_PK' (UNIQUE)
53 1
TABLE ACCESS (FULL) OF 'CAR_HIRE_BOOKINGS' (Cost=6 Card=7 Bytes=105)Hi Guys,
As requested here is the formatted sql.
We are using pga_aggregate_target which is set to 25165824. I dont know if this is relevant but the sort_area_size is set to 524288.
Thanks
SQL
SELECT trim(b.pnr_reference) || ',"' || to_char(b.booking_date, 'DD-MON-YY')
|| '","' || trim(p.title) || '","' || trim(p.forename) || '","' ||
trim(p.surname) || '","' || trim(p.email) || '","' || trim(b.home_phone)
|| '","' || trim(b.address_line_1) || '","' || trim(b.address_line_2)
|| '","' || trim(b.address_line_3) || '","' || trim(b.postcode) ||
'","' || trim(b.country_code) || '","' || null || '","' || trim(
b.promo_opt_in) || '","' || trim(bsout.flight_number) || '","' ||
to_char(bsout.departure_date, 'DD-MON-YY') || '","' || trim(
bsret.flight_number) || '","' || to_char(bsret.departure_date,
'DD-MON-YY') || '","' || pax_cnt.num_adults || '","' ||
pax_cnt.num_children || '","' || pax_cnt.num_infants || '","' ||
fares_by_booking.gross_fare_adult || '","' ||
fares_by_booking.gross_fare_child || '","' ||
fares_by_booking.gross_fare_infant || '","' ||
fares_by_booking.total_gross_fare || '","' || trim(ps.fare_basis) ||
'","' || trim(ps1.fare_basis) || '","' || null || '","' || null || '","'
|| fares_by_booking.currency || '","' || trim(bsout.dep_airport_code)
|| '","' || trim(bsout.dest_airport_code) || '","' ||
fares_by_booking.gross_fare_adult * ex.exchange_rate || '","' || null
|| '","' || trim(b.other_opt_in) || '","' || c.returned || '","' ||
c.not_available || '","' || c.on_request || '","' || c.matched || '","'
|| trim(c.location_code) || '","' || to_char(c.pickup_date, 'DD-MON-YY'
) || '","' || to_char(c.return_date, 'DD-MON-YY') || '","' || c.period
|| '","' || trim(cb.book_ref) || '","' || cb.car_num || '","' ||
c.avail_warn_code || '","' || c.avail_err_code || '","' ||
c.res_warn_code || '","' || c.res_err_code || '"'
FROM bookings b, car_hire_transactions c, car_hire_bookings cb, pax p,
booking_sectors bsout, booking_sectors bsret, pax_sectors ps,
pax_sectors ps1, exchange_rates ex, (SELECT b2.booking_id, sum(
decode(p2.pax_type, 'A', 1,
0)) num_adults, sum(
decode(p2.pax_type, 'C', 1,
0)) num_children,
sum(decode(p2.pax_type,
'I', 1, 0)) num_infants
FROM pax p2, bookings b2
WHERE b2.booking_id = p2.booking_id
AND b2.booking_date BETWEEN to_date('08-08-2005/00:00',
'DD-MM-YYYY/HH24:MI') AND to_date('15-08-2005/00:00',
'DD-MM-YYYY/HH24:MI')
GROUP BY b2.booking_id) pax_cnt, (SELECT booking_id, currency,
sum(gross_fare_adult)
gross_fare_adult,
sum(gross_fare_child)
gross_fare_child,
sum(gross_fare_infant)
gross_fare_infant,
sum(total_gross_fare)
total_gross_fare
FROM (SELECT b3.booking_id booking_id, ps3.sector_seq,
ps3.currency_code currency, max(decode(p3.pax_type,
'A', ps3.gross_fare, 0)) gross_fare_adult, max(
decode(p3.pax_type, 'C', ps3.gross_fare, 0))
gross_fare_child, max(decode(p3.pax_type, 'I',
ps3.gross_fare, 0)) gross_fare_infant, sum(
ps3.gross_fare) total_gross_fare
FROM pax p3, pax_sectors ps3, bookings b3
WHERE b3.booking_id = p3.booking_id
AND b3.booking_id = ps3.booking_id
AND p3.pax_seq = ps3.pax_seq
AND b3.booking_date BETWEEN to_date(
'08-08-2005/00:00', 'DD-MM-YYYY/HH24:MI') AND
to_date('15-08-2005/00:00', 'DD-MM-YYYY/HH24:MI')
GROUP BY b3.booking_id, ps3.currency_code,
ps3.sector_seq) fares_by_sector
GROUP BY booking_id, currency) fares_by_booking
WHERE b.booking_date BETWEEN to_date('08-08-2005/00:00',
'DD-MM-YYYY/HH24:MI') AND to_date('15-08-2005/00:00',
'DD-MM-YYYY/HH24:MI')
AND b.car_hire_id = c.car_hire_id (+)
AND c.car_hire_id = cb.car_hire_id (+)
AND p.booking_id = b.booking_id
AND p.pax_seq = 1
AND b.booking_id = bsout.booking_id
AND bsout.sector_seq = 1
AND b.booking_id = bsret.booking_id (+)
AND bsret.sector_seq (+) = 2
AND p.booking_id = ps.booking_id
AND p.pax_seq = ps.pax_seq
AND ps.sector_seq = 1
AND p.booking_id = ps1.booking_id (+)
AND p.pax_seq = ps1.pax_seq (+)
AND ps1.sector_seq (+) = 2
AND b.booking_id = pax_cnt.booking_id
AND b.booking_id = fares_by_booking.booking_id
AND ex.currency_from = fares_by_booking.currency
AND ex.currency_to = 'GBP'
AND ex.date_entered = (SELECT max(ex2.date_entered)
FROM exchange_rates ex2
WHERE currency_from = fares_by_booking.currency
AND currency_to = 'GBP'
AND ex2.date_entered < b.booking_date)
explain_plan
Execution Steps:
Step # Step Name
41 SELECT STATEMENT
40 FILTER
36 NESTED LOOPS [OUTER]
33 NESTED LOOPS
30 HASH JOIN [OUTER]
28 NESTED LOOPS [OUTER]
25 HASH JOIN
23 HASH JOIN [OUTER]
21 HASH JOIN
15 HASH JOIN
5 HASH JOIN
3 HASH JOIN
1 CAM_OWNER.PAX_SECTORS TABLE ACCESS [FULL]
2 CAM_OWNER.PAX TABLE ACCESS [FULL]
4 CAM_OWNER.BOOKINGS TABLE ACCESS [FULL]
14 . VIEW
13 SORT [GROUP BY]
12 . VIEW
11 SORT [GROUP BY]
10 HASH JOIN
8 HASH JOIN
6 CAM_OWNER.BOOKINGS TABLE ACCESS [FULL]
7 CAM_OWNER.PAX_SECTORS TABLE ACCESS [FULL]
9 CAM_OWNER.PAX TABLE ACCESS [FULL]
20 . VIEW
19 SORT [GROUP BY]
18 HASH JOIN
16 CAM_OWNER.BOOKINGS TABLE ACCESS [FULL]
17 CAM_OWNER.PAX TABLE ACCESS [FULL]
22 CAM_OWNER.PAX_SECTORS TABLE ACCESS [FULL]
24 CAM_OWNER.EXCHANGE_RATES TABLE ACCESS [FULL]
27 CAM_OWNER.CAR_HIRE_TRANSACTIONS TABLE ACCESS [BY INDEX ROWID]
26 CAM_OWNER.CHT_PK INDEX [UNIQUE SCAN]
29 CAM_OWNER.CAR_HIRE_BOOKINGS TABLE ACCESS [FULL]
32 CAM_OWNER.BOOKING_SECTORS TABLE ACCESS [BY INDEX ROWID]
31 CAM_OWNER.BKS_PK INDEX [UNIQUE SCAN]
35 CAM_OWNER.BOOKING_SECTORS TABLE ACCESS [BY INDEX ROWID]
34 CAM_OWNER.BKS_PK INDEX [UNIQUE SCAN]
39 SORT [AGGREGATE]
38 FIRST ROW
37 CAM_OWNER.EXR_PK INDEX [RANGE SCAN (MIN/MAX)] -
Simple SQL Query is not using Bitmap index
Hello to All,
We are having Oracle9i Database and using it for the datawarehouse purpose.
I have created the bitmap index on calledinfo column and I am running the following simple query which takes serveral hours to complete:
select * from ssp.ssp_2006_q4 where calledinfo='799992515f'
OR
select calledinfo from ssp.ssp_2006_q4 where calledinfo='799992515f'
I don't know why it is not using the bitmap index: Can anybody help me here?
Thanks in Advance
HashimI know why and everyone that has read Jonathan Lewis' book on the CBO knows why.
Why? Because the CBO thinks the cost of using your index will be higher than the cost of ignoring it.
To see what Oracle is thinking run an explain plan using DBMS_XPLAN for create the output and then rerun it with a hint forcing index usage.
It is a mistake to believe that an index will always make things better. Issues of cardinality, clustering factor, etc. are very important.
Post the explain plans if you have any questions about what they show:
http://www.psoug.org/reference/explain_plan.html -
Inline views / view merge slowing the query
I have a tool generated query. This query uses inline views. The individual view return data under a second but final query is taking 10min +. any suggestion.
I tried /*+ NO_MERGE(D1,D2,D3,D4)*/ but to no help.
TIA.
SELECT /*+ NO_MERGE(D1,D2,D3,D4)*/DISTINCT d4.c5 AS c1, d2.c14 AS c2,
d3.c8 AS c3, d2.c8 AS c4,
d2.c9 AS c5, d2.c10 AS c6,
d2.c11 AS c7, d2.c12 AS c8,
d2.c13 AS c9
FROM (vv_d1) d1,
(vv_d2) d2,
(vv_d3) d3,
(vv_d4) d4
WHERE ( NVL (d1.c1, 'q') =
NVL (d2.c14, 'q')
AND NVL (d1.c1, 'z') =
NVL (d2.c14, 'z')
AND NVL (d1.c3, 'q') =
NVL (d2.c12, 'q')
AND NVL (d1.c3, 'z') =
NVL (d2.c12, 'z')
AND NVL (d1.c6, 'q') =
NVL (d2.c9, 'q')
AND NVL (d1.c6, 'z') =
NVL (d2.c9, 'z')
AND NVL (d1.c4, 'q') =
NVL (d2.c10, 'q')
AND NVL (d1.c4, 'z') =
NVL (d2.c10, 'z')
AND NVL (d1.c5, 8) =
NVL (d2.c13, 8)
AND NVL (d1.c5, 9) =
NVL (d2.c13, 9)
AND NVL (d1.c1, 'q') =
NVL (d4.c6, 'q')
AND NVL (d1.c1, 'z') =
NVL (d4.c6, 'z')
AND NVL (d1.c1, 'q') =
NVL (d3.c11, 'q')
AND NVL (d1.c1, 'z') =
NVL (d3.c11, 'z')
AND NVL (d1.c2, 88.0) =
NVL (d3.c9, 88.0)
AND NVL (d1.c2, 99.0) =
NVL (d3.c9, 99.0)
AND NVL (d1.c3, 'q') =
NVL (d3.c10, 'q')
AND NVL (d1.c3, 'z') =
NVL (d3.c10, 'z')
AND NVL (d1.c7, 'q') =
NVL (d2.c11, 'q')
AND NVL (d1.c7, 'z') =
NVL (d2.c11, 'z')
)And the Oracle version number, to three decimal places is?
Post EXPLAIN PLAN output created using dbms_xplan
http://www.psoug.org/reference/explain_plan.html -
How cluster will tune the query
Hi All,
Please help me in understanding the autotrace Regarding Clusters.
I created 2 tables
tbl_master (col1 number, col2 number) with 800 rows AND unique col1.
and tbl_detail(col1 number, col2 number) with 80000 with repeated col1.
Now I created the replica of both tables with cluster on col1. as
tbl_master1 (col1 number, col2 number) with 800 rows AND unique col1. --selected from tbl_master
and tbl_detail1(col1 number, col2 number) with 80000 with repeated col1.--selected from tbl_detail
I traced the out put of the non cluster table joins ans clustered tables joins.
I set autotrace trace
and set timing on
I found that time elapsed is almost same even when COST is less. could anybody pls explain.
select a.* from tbl_master a, tbl_detail b where a.col1 =b.col1
80000 rows selected.
Elapsed: 00:00:00.67
Execution Plan
0 SELECT STATEMENT Optimizer=ALL_ROWS (Cost=98 Card=80000 Byte
s=1040000)
1 0 HASH JOIN (Cost=98 Card=80000 Bytes=1040000)
2 1 TABLE ACCESS (FULL) OF 'TBL_MASTER' (TABLE) (Cost=55 Car
d=800 Bytes=8000)
3 1 TABLE ACCESS (FULL) OF 'TBL_DETAIL' (TABLE) (Cost=42 Car
d=80000 Bytes=240000)
Statistics
0 recursive calls
0 db block gets
5724 consistent gets
0 physical reads
0 redo size
1066812 bytes sent via SQL*Net to client
59175 bytes received via SQL*Net from client
5335 SQL*Net roundtrips to/from client
0 sorts (memory)
0 sorts (disk)
80000 rows processed
select a.* from tbl_master1 a, tbl_detail1 b where a.col1 =b.col1
80000 rows selected.
Elapsed: 00:00:00.65
Execution Plan
0 SELECT STATEMENT Optimizer=ALL_ROWS (Cost=980 Card=72000 Byt
es=1656000)
1 0 NESTED LOOPS (Cost=980 Card=72000 Bytes=1656000)
2 1 TABLE ACCESS (FULL) OF 'TBL_MASTER1' (CLUSTER) (Cost=180
Card=800 Bytes=8000)
3 1 TABLE ACCESS (CLUSTER) OF 'TBL_DETAIL1' (CLUSTER) (Cost=
1 Card=90 Bytes=1170)
Statistics
0 recursive calls
0 db block gets
7749 consistent gets
0 physical reads
0 redo size
1065475 bytes sent via SQL*Net to client
59175 bytes received via SQL*Net from client
5335 SQL*Net roundtrips to/from client
0 sorts (memory)
0 sorts (disk)
80000 rows processedThere is a lot of information missing from your question.
1. What version of Oracle?
2. Cluster by what? Index or hash? The DDL would have helped.
and if hash was the number of has buckets determined correctly?
3. Did you use DBMS_STATS to gather relevant optimizer statistics?
4. What you posted is not an explain plan. In the future use dbms_xplan.display
http://www.psoug.org/reference/explain_plan.html
as demonstrated at the above link
All of that said ... explain plan says nothing about how long a query takes. The cost is a measure of disk i/o and, if done properly, CPU, based on Oracle's assumption of what it might do if it actually ran the query. It might do what EXPLAIN PLAN indicates and it might not.
Run a real explain plan and it might help understand what is happening but, quite frankly, with such a small number of rows the timing difference might be invisible. -
Hi,
For large queries which DB parameter need to be increased.
SGA or PGA (currently 24M)
In SGA Shared pool is 150M, Java Pool 150M, Buffer Cache 256M, Large Pool 24M.
Which parameter in SGA need to be tuned to faster performance of the query.Are you sure that the query EXECUTION PLAN is the same on both instances?
try EXPLAIN_PLAN for query on both instances and compare them... -
A query after analyzing tables was running in 2 seconds, but once another query is run, it again goes back to 28 seconds. So, I think, its parsing the query that is taking lot of time. How do we handle this situation?
I think your analysis of the situation is in error.
I also think we have wholly insufficient information to help you further.
1. What hardware, operating system, and storage?
2. What version of what product (all three decimal places not just the marketing name)
3. DDL for table and indexes
4. DML for the statement
5. Explain plan report generated using dbms_xplan.display
http://www.morganslibrary.org/reference/explain_plan.html
http://www.morganslibrary.org/library.html
Tuning is not something that can be done in a vacuum. -
Error while running a query-Input for variable 'Posting Period is invalid
Hi All,
NOTE: This error is only cropping up when I input 12 in the posting period variable selection. If I put in any other value from 1-11 I am not getting any errors. Any ideas why this might be happening?
I am getting the following error when I try and run a query - "Input for variable 'Posting Period (Single entry, mandatory)' is invalid" - On further clicking on this error the message displayed is as follows -
Diagnosis
Variable Posting Period (Single Value Entry, Mandatory) is used as a lower limit (X) and an upper limit () in an interval selection. This limit has the value #.
System Response
Procedure
Enter a different value for variable Posting Period (Single Value Entry, Mandatory). If the value of the other limit is determined by another variable, you can change its value also.
Procedure for System AdministrationOK.
Well, if the variable is not used in any interval selection, then I would say "something happened to it".
I would make a copy of the query and run it to check if I get the same problem with period 12.
-> If not, something is wrong in the original query (you can proceed as below, if changes to original are permitted).
If so, then try removing the variable completely from the query and hardcode restriction to 12.
-> If problem still persists, I would have to do some thinking.
If problem is gone, then add the variable again. Check.
-> If problem is back, then the variable "is sick". Only quick thing to do, is to build an identical variable and use that one.
If problem also happens with the new variable, then it's time to share this experience with someone else and consider raising an OSS.
Good luck!
Jacob
P.S: what fisc year variant are you using?
Edited by: Jacob Jansen on Jan 25, 2010 8:36 PM -
Logical database in adhoc query
Hello All,
Can anyone tell me what is the logical database in adhoc query?Hi
When you create a query , you have to select an infoset. Infoset can be considered as a source from which data is populated in the Query Fields.
Infosets are created from Transaction SQ02.
There can be four methods through which an Infoset can become a source of data:
1. Table join ( By joining two or more tables from Data dictionary)
example: Joining tables PA0001 and PA0006 on Pernr to get a one resultant dataset
2. Direct read of Basis Table ( Like PA0001 as a source for data in Infoset )
3. Logical Database ( A Pre-written Program by SAP that extract data from clusters, tables taking care of authorizations and validity periods)
Example : Logical database PNP, PNPCE (Concurrent Employement),PCH ( LDB for Personnel Development Data)
Custom Logical DBs can be created in T_Code SE-36.
4. Data Retrieval by a Program ( Custom code written by ABAP developers which will collect and process data) . This program has a corresponding Structure in data dictionary and the fields of this structure will be used in query)
Reward Points, if helpful.
Regards
Waseem Imran -
Query help on Goods Receipt Query with AP Invoice
Looking for a little help on a query. I would like to list all the goods receipts for a given date range and then display the AP Invoice information (if its been copied to an AP Invoice). I think my problem is in my where clause, I plagerized an SAP query to show GR and AP from a PO as a start. SBO 2005 SP01. Any help would be great appreciated. Thanks
SELECT distinct 'GR',
D0.DocStatus,
D0.DocNum ,
D0.DocDate,
D0.DocDueDate,
D0.DocTotal,
'AP',
I0.DocStatus,
I0.DocNum ,
I0.DocDate,
I0.DocDueDate,
I0.DocTotal,
I0.PaidToDate
FROM
((OPDN D0 inner Join PDN1 D1 on D0.DocEntry = D1.DocEntry)
full outer join
(OPCH I0 inner join PCH1 I1 on I0.DocEntry = I1.DocEntry)
on (I1.BaseType=20 AND D1.DocEntry = I1.BaseEntry AND D1.LineNum=I1.BaseLine))
WHERE
(D1.BaseType=22 AND D1.DocDate>='[%0]' AND D1.DocDate<='[%1]')
OR (I1.BaseType=20 AND I1.BaseEntry IN
(SELECT Distinct DocEntry
FROM PDN1 WHERE BaseType=22 AND DocDate>='[%0]' AND DocDate<='[%1]'))Hi Dalen ,
I believe it is because of the condition
(D1.BaseType=22 AND D1.DocDate>='%0' AND D1.DocDate<='%1')
OR (I1.BaseType=20 AND I1.BaseEntry IN
(SELECT Distinct DocEntry FROM PDN1 WHERE PDN1.BaseType=22 AND DocDate>='%0' AND DocDate<='%1'))
Try changing
D1.BaseType=22 OR D1.DocDate>='%0' AND D1.DocDate<='%1
PDN1.BaseType=22 OR DocDate>='%0' AND DocDate<='%1'))
Lets see what would be the result . Lets have some fun with troubleshooting
See what would be the difference in the result .
Thank you
Bishal -
Can you check for data in one table or another but not both in one query?
I have a situation where I need to link two tables together but the data may be in another (archive) table or different records are in both but I want the latest record from either table:
ACCOUNT
AccountID Name
123 John Doe
124 Jane Donaldson
125 Harold Douglas
MARKETER_ACCOUNT
Key AccountID Marketer StartDate EndDate
1001 123 10526 8/3/2008 9/27/2009
1017 123 10987 9/28/2009 12/31/4712 (high date ~ which means currently with this marketer)
1023 124 10541 12/03/2010 12/31/4712
ARCHIVE
Key AccountID Marketer StartDate EndDate
1015 124 10526 8/3/2008 12/02/2010
1033 125 10987 01/01/2011 01/31/2012
So my query needs to return the following:
123 John Doe 10526 8/3/2008 9/27/2009
124 Jane Donaldson 10541 12/03/2010 12/31/4712 (this is the later of the two records for this account between archive and marketer_account tables)
125 Harold Douglas 10987 01/01/2011 01/31/2012 (he is only in archive, so get this record)
I'm unsure how to proceed in one query. Note that I am reading in possibly multiple accounts at a time and returning a collection back to .net
open CURSOR_ACCT
select AccountID
from
ACCOUNT A,
MARKETER_ACCOUNT M,
ARCHIVE R
where A.AccountID = nvl((select max(M.EndDate) from Marketer_account M2
where M2.AccountID = A.AccountID),
(select max(R.EndDate) from Archive R2
where R2.AccountID = A.AccountID)
and upper(A.Name) like parameter || '%'
<can you do a NVL like this? probably not... I want to be able to get the MAX record for that account off the MarketerACcount table OR the max record for that account off the Archive table, but not both>
(parameter could be "DO", so I return all names starting with DO...)if I understand your description I would assume that for John Dow we would expect the second row from marketer_account ("high date ~ which means currently with this marketer"). Here is a solution with analytic functions:
drop table account;
drop table marketer_account;
drop table marketer_account_archive;
create table account (
id number
, name varchar2(20)
insert into account values (123, 'John Doe');
insert into account values (124, 'Jane Donaldson');
insert into account values (125, 'Harold Douglas');
create table marketer_account (
key number
, AccountId number
, MktKey number
, FromDt date
, ToDate date
insert into marketer_account values (1001, 123, 10526, to_date('03.08.2008', 'dd.mm.yyyy'), to_date('27.09.2009', 'dd.mm.yyyy'));
insert into marketer_account values (1017, 123, 10987, to_date('28.09.2009', 'dd.mm.yyyy'), to_date('31.12.4712', 'dd.mm.yyyy'));
insert into marketer_account values (1023, 124, 10541, to_date('03.12.2010', 'dd.mm.yyyy'), to_date('31.12.4712', 'dd.mm.yyyy'));
create table marketer_account_archive (
key number
, AccountId number
, MktKey number
, FromDt date
, ToDate date
insert into marketer_account_archive values (1015, 124, 10526, to_date('03.08.2008', 'dd.mm.yyyy'), to_date('02.12.2010', 'dd.mm.yyyy'));
insert into marketer_account_archive values (1033, 125, 10987, to_date('01.01.2011', 'dd.mm.yyyy'), to_date('31.01.2012', 'dd.mm.yyyy'));
select key, AccountId, MktKey, FromDt, ToDate
, max(FromDt) over(partition by AccountId) max_FromDt
from marketer_account
union all
select key, AccountId, MktKey, FromDt, ToDate
, max(FromDt) over(partition by AccountId) max_FromDt
from marketer_account_archive;
with
basedata as (
select key, AccountId, MktKey, FromDt, ToDate
from marketer_account
union all
select key, AccountId, MktKey, FromDt, ToDate
from marketer_account_archive
basedata_with_max_intervals as (
select key, AccountId, MktKey, FromDt, ToDate
, row_number() over(partition by AccountId order by FromDt desc) FromDt_Rank
from basedata
filtered_basedata as (
select key, AccountId, MktKey, FromDt, ToDate from basedata_with_max_intervals where FromDt_Rank = 1
select a.id
, a.name
, b.MktKey
, b.FromDt
, b.ToDate
from account a
join filtered_basedata b
on (a.id = b.AccountId)
ID NAME MKTKEY FROMDT TODATE
123 John Doe 10987 28.09.2009 31.12.4712
124 Jane Donaldson 10541 03.12.2010 31.12.4712
125 Harold Douglas 10987 01.01.2011 31.01.2012
If your tables are big it could be necessary to do the filtering (according to your condition) in an early step (the first CTE).
Regards
Martin -
Query help : Query to get values SYSDATE-1 18:00 hrs to SYSDATE 08:00 hrs
Hi Team
I want the SQl query to get the data for the following comparison : -
Order Created is a Date Column , and i want to find out all the values from (SYSDATE-1) 18:00 hours to SYSDATE 08:00 hours
i.e.
(SYSDATE-1) 18:00:00 < Order.Created < SYSDATE 08:00:00.
RegardsHi, Rohit,
942281 wrote:
If i want the data in the below way i.e.
from (SYSDATE-1) 18:00 hours to SYSDATE 17:59 hours ---> (SYSDATE-1) 18:00:00 < Order.Created < SYSDATE 07:59:00.If you want to include rows from exactly 18:00:00 yesterday (but no earlier), and exclude rows from exatly 08:00:00 today (or later), then use:
WHERE ord_dtl.submit_dt >= TRUNC (SYSDATE) - (6 / 24)
AND ord_dtl.submit_dt < TRUNC (SYSDATE) + (8 / 24)
So can i use the below format : -
ord_dtl.submit_dt BETWEEN trunc(sysdate)-(6/24) and trunc(sysdate)+(7.59/24) . Please suggest . .59 hours is .59 * 60 * 60 = 2124 seconds (or .59 * 60 = 35.4 minutes), so the last time included in the range above is 07:35:24, not 07:59:59.
If you really, really want to use BETWEEN (which includes both end points), then you could do it with date arithmentic:
WHERE ord_dtl.submit_dt BETWEEN TRUNC (SYSDATE) - (6 / 24)
AND TRUNC (SYSDATE) + (8 / 24)
- (1 / (24 * 60 * 60))but it would be simpler and less error prone to use INTERVALs, as Karthick suggested earlier:
WHERE ord_dtl.submit_dt BETWEEN TRUNC (SYSDATE) - INTERVAL '6' HOUR
AND TRUNC (SYSDATE) + INTERVAL '8' HOUR
- INTERVAL '1' SECONDEdited by: Frank Kulash on Apr 17, 2013 9:36 AM
Edited by: Frank Kulash on Apr 17, 2013 11:56 AM
Changed "- (8 /24)" to "+ (8 /24)" in first code fragment (after Blushadown, below)
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