SQL Query takes 7 hours after upgrade to 10g
the following query executes in under a minute in 9i, however once upgraded to 10g it takes 7 hours. The query is designed to select the data row with the max date value for the selected criteria (there are multiple rows that match the below criteria with different dates)
I have tested in a lower environment the setting of "_optimizer_cost_based_transformation"=off and this corrects the problem. I do not feel comfortable setting this parameter session or system wide to provide a solution
We are running Oracle 10gR2 on Solaris
select "INSTN_ID_N",
"MEAS_D",
"FEED_TYPE_C",
"FREQ_C",
"STAT_LVL_C",
"TS_D",
"IX_INSTN_ID_C",
"ENTI_TYPE_C",
"CNTXT_ID_C",
"CNTXT_C",
"IX_CNTXT_ID_C",
"VND_C",
"PRCS_C",
"USR_ID_C",
"STAT_C",
"OVRD_RSN_C",
"LD_DT_D",
"UPD_USR_C",
"UPD_TS_D",
"INS_USR_C",
"INS_TS_D",
"DEL_FLG_C"
from IDA.V_INSTANCE_STATUS M
where
TS_D =
select max (TS_D) from IDA.V_INSTANCE_STATUS
where
INSTN_ID_N = M.INSTN_ID_N AND
MEAS_D = M.MEAS_D AND
FEED_TYPE_C = M.FEED_TYPE_C AND
FREQ_C = M.FREQ_C AND
STAT_LVL_C = M.STAT_LVL_C AND
IX_INSTN_ID_C = M.IX_INSTN_ID_C
)
user638113 wrote:
the following query executes in under a minute in 9i, however once upgraded to 10g it takes 7 hours. The query is designed to select the data row with the max date value for the selected criteria (there are multiple rows that match the below criteria with different dates)
I have tested in a lower environment the setting of "_optimizer_cost_based_transformation"=off and this corrects the problem. I do not feel comfortable setting this parameter session or system wide to provide a solutionIf you're sure that the "lower" environment reproduces the same issue, and not due to some other differences (different statistics, parameters etc.), then you could share the two different execution plans generated via DBMS_XPLAN.DISPLAY having the cost based transformations turned on and off. Make sure you use the \ tags before and after the plan output to format it in fixed font. You can use the "Quote" button in the message editor to see how to use the tag.
Furthermore a optimizer trace (10053) might reveal why the cost based transformations lead to such an result.
Regards,
Randolf
Oracle related stuff blog:
http://oracle-randolf.blogspot.com/
SQLTools++ for Oracle (Open source Oracle GUI for Windows):
http://www.sqltools-plusplus.org:7676/
http://sourceforge.net/projects/sqlt-pp/
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SELECT ident, icao, latitude, longitude, 6 src, mslink FROM l_sky_waypoint)
WHERE ident||';'||icao||';'||src IN (
SELECT ident||';'||icao||';'||src FROM (
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, longitude1 longitude
, from_fix_fea_pk src
FROM l_sky_airway, l_dgn_airway
WHERE l_sky_airway.mslink = l_dgn_airway.mslink
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SELECT to_fix_ident ident
, to_ident_icao icao
, latitude2 latitude
, longitude2 longitude
, to_fix_fea_pk src
FROM l_sky_airway, l_dgn_airway
WHERE l_sky_airway.mslink = l_dgn_airway.mslink
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, latitude
, longitude
, 5 src
FROM l_sky_navaid
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SELECT ident
, icao
, latitude
, longitude
, 6 src
FROM l_sky_waypoint
ORDER BY ident, icao, src, mslink, latitude, longitude;Execution plan:
Plan
SELECT STATEMENT ALL_ROWSCost: 2 003 Bytes: 1 572 402 240 Cardinality: 24 568 785
29 SORT ORDER BY Cost: 2 003 Bytes: 1 572 402 240 Cardinality: 24 568 785
28 FILTER
12 VIEW EUS. Cost: 825 Bytes: 3 522 880 Cardinality: 55 045
11 UNION-ALL
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3 HASH JOIN Cost: 142 Bytes: 981 948 Cardinality: 22 317
1 TABLE ACCESS FULL TABLE EUS.L_SKY_AIRWAY Cost: 85 Bytes: 290 121 Cardinality: 22 317
2 TABLE ACCESS FULL TABLE EUS.L_DGN_AIRWAY Cost: 56 Bytes: 691 827 Cardinality: 22 317
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7 HASH JOIN Cost: 143 Bytes: 981 948 Cardinality: 22 317
5 TABLE ACCESS FULL TABLE EUS.L_SKY_AIRWAY Cost: 85 Bytes: 290 121 Cardinality: 22 317
6 TABLE ACCESS FULL TABLE EUS.L_DGN_AIRWAY Cost: 56 Bytes: 691 827 Cardinality: 22 317
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10 TABLE ACCESS FULL TABLE EUS.L_SKY_WAYPOINT Cost: 22 Bytes: 324 712 Cardinality: 8 776
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26 MINUS
23 MINUS
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22 SORT UNIQUE Bytes: 512 Cardinality: 16
21 TABLE ACCESS FULL TABLE EUS.L_SKY_NAVAID Cost: 6 Bytes: 512 Cardinality: 16
25 SORT UNIQUE Bytes: 2 992 Cardinality: 88
24 TABLE ACCESS FULL TABLE EUS.L_SKY_WAYPOINT Cost: 24 Bytes: 2 992 Cardinality: 88 Rewrited select which run fast:
WITH inselect AS
(SELECT ident || ';' || icao || ';' || src
FROM (SELECT from_fix_ident ident, from_ident_icao icao,
latitude1 latitude, longitude1 longitude,
from_fix_fea_pk src
FROM l_sky_airway, l_dgn_airway
WHERE l_sky_airway.mslink = l_dgn_airway.mslink
UNION ALL
SELECT to_fix_ident ident, to_ident_icao icao,
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to_fix_fea_pk src
FROM l_sky_airway, l_dgn_airway
WHERE l_sky_airway.mslink = l_dgn_airway.mslink
MINUS
SELECT ident, icao, latitude, longitude, 5 src
FROM l_sky_navaid
MINUS
SELECT ident, icao, latitude, longitude, 6 src
FROM l_sky_waypoint)),
mainselect AS
(SELECT DISTINCT from_fix_ident ident, from_ident_icao icao,
latitude1 latitude, longitude1 longitude,
from_fix_fea_pk src, -1 mslink
FROM l_sky_airway, l_dgn_airway
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latitude2 latitude, longitude2 longitude,
to_fix_fea_pk src, -2 mslink
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WHERE l_sky_airway.mslink = l_dgn_airway.mslink
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SELECT *
FROM mainselect
WHERE ident || ';' || icao || ';' || src IN (SELECT *
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ORDER BY ident, icao, src, mslink, latitude, longitude;
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31 SORT ORDER BY Cost: 550 336 Bytes: 2 383 172 145 Cardinality: 24 568 785
30 HASH JOIN Cost: 2 647 Bytes: 2 383 172 145 Cardinality: 24 568 785
17 VIEW VIEW SYS.VW_NSO_1 Cost: 1 173 Bytes: 1 472 922 Cardinality: 44 634
16 HASH UNIQUE Cost: 1 173 Bytes: 1 205 118 Cardinality: 44 634
15 VIEW EUS. Cost: 828 Bytes: 1 205 118 Cardinality: 44 634
14 MINUS
11 MINUS
8 SORT UNIQUE Cost: 828 Bytes: 2 314 600 Cardinality: 44 634
7 UNION-ALL
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1 TABLE ACCESS FULL TABLE EUS.L_SKY_AIRWAY Cost: 85 Bytes: 290 121 Cardinality: 22 317
2 TABLE ACCESS FULL TABLE EUS.L_DGN_AIRWAY Cost: 56 Bytes: 691 827 Cardinality: 22 317
6 HASH JOIN Cost: 143 Bytes: 981 948 Cardinality: 22 317
4 TABLE ACCESS FULL TABLE EUS.L_SKY_AIRWAY Cost: 85 Bytes: 290 121 Cardinality: 22 317
5 TABLE ACCESS FULL TABLE EUS.L_DGN_AIRWAY Cost: 56 Bytes: 691 827 Cardinality: 22 317
10 SORT UNIQUE Bytes: 52 320 Cardinality: 1 635
9 TABLE ACCESS FULL TABLE EUS.L_SKY_NAVAID Cost: 6 Bytes: 52 320 Cardinality: 1 635
13 SORT UNIQUE Bytes: 298 384 Cardinality: 8 776
12 TABLE ACCESS FULL TABLE EUS.L_SKY_WAYPOINT Cost: 22 Bytes: 298 384 Cardinality: 8 776
29 VIEW EUS. Cost: 825 Bytes: 3 522 880 Cardinality: 55 045
28 UNION-ALL
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20 HASH JOIN Cost: 142 Bytes: 981 948 Cardinality: 22 317
18 TABLE ACCESS FULL TABLE EUS.L_SKY_AIRWAY Cost: 85 Bytes: 290 121 Cardinality: 22 317
19 TABLE ACCESS FULL TABLE EUS.L_DGN_AIRWAY Cost: 56 Bytes: 691 827 Cardinality: 22 317
25 HASH UNIQUE Cost: 398 Bytes: 981 948 Cardinality: 22 317
24 HASH JOIN Cost: 143 Bytes: 981 948 Cardinality: 22 317
22 TABLE ACCESS FULL TABLE EUS.L_SKY_AIRWAY Cost: 85 Bytes: 290 121 Cardinality: 22 317
23 TABLE ACCESS FULL TABLE EUS.L_DGN_AIRWAY Cost: 56 Bytes: 691 827 Cardinality: 22 317
26 TABLE ACCESS FULL TABLE EUS.L_SKY_NAVAID Cost: 6 Bytes: 57 225 Cardinality: 1 635
27 TABLE ACCESS FULL TABLE EUS.L_SKY_WAYPOINT Cost: 22 Bytes: 324 712 Cardinality: 8 776 Reformated
Message was edited by:
Vlada
Message was edited by:
VladaVlada,
could you please post an properly formatted explain plan output using DBMS_XPLAN.DISPLAY including the "Predicate Information" section below the plan to provide more details regarding your statement. Please use the \[code\] and \[code\] tags to enhance readability of the output provided:
In SQL*Plus:
SET LINESIZE 130
EXPLAIN PLAN FOR <your statement>;
SELECT * FROM TABLE(DBMS_XPLAN.DISPLAY);In order to get a better understanding where your statement spends the time you might want to turn on SQL trace as described here:
[When your query takes too long|http://forums.oracle.com/forums/thread.jspa?threadID=501834]
and post the "tkprof" output here, too.
Could you also provide the information which version of 10g you're currently using? (4-digit version number). Note that 10g introduced a couple of significant changes including CPU costing enabled by default and a different default setting of DBMS_STATS regarding column histograms.
So you might want to re-gather the statistics using the method_opt parameter of the DBMS_STATS.GATHER__STATS procedures explicitly defined as "FOR ALL COLUMNS SIZE 1" to mimic the 9i behaviour.
You also might want to try the "OPTIMIZER_FEATURES_ENABLE" session setting set to "9.2.0" in order to find out if any of the new optimizer features could be causing the issue if re-gathering the statistics as suggested above doesn't make a difference.
Do you know if the tables/indexes in your 9i database also had reasonable statistics?
Regards,
Randolf
Oracle related stuff blog:
http://oracle-randolf.blogspot.com/
SQLTools++ for Oracle:
http://www.sqltools-plusplus.org:7676/
http://sourceforge.net/projects/sqlt-pp/
Edited by: Randolf Geist on Sep 8, 2008 9:32 AM
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<message>Job request of type "WriteListFiles" failed.</message>
- <exception>
<message>Error executing the list generation SQL.</message>
- <exception>
<message>Error in executing cursor for WorkNode (Id:0)</message>
- <exception>
<message>The query was cancelled.</message>
</exception>
</exception>
</exception>
</exception>
</jobStats>
Please let us know the suggestions
So far, the unaccessedtimingrunoutminutes tag has been tried to set 50 under ODBC tag in instanceconfig.xml. and the defaulttimeoutminutes has been tried to set to 150 in the same instanceconfig.xml.
along with that the rpd changes are done. For all the users apart from the Administrator, the timeout has been changedfrom 10 minutes to 150 minutes. But still that way is not working.
The segments was fired with the Administrator login. So , if the timeout for admin login can be set, i assume that the problem might be solved. Please let us know ur suggestions here too.
If that is the case, when we open rpd , only for Administrator user and group, the Permissions button is disabled. So i want to know how to change for Admin user settings in rpd..
Please advice us on the same.
Regards,
Madasamy M.
Edited by: Madasamy Murugaboobathi on Mar 26, 2012 1:40 PMThe issue has been resolved by setting the following parameters
<UnaccessedRunningTimeoutMinutes>120</UnaccessedRunningTimeoutMinutes>
<DefaultTimeoutMinutes>120</DefaultTimeoutMinutes>
<ClientSessionExpireMinutes>120</ClientSessionExpireMinutes>
<ConnectionExpireMinutes>120</ConnectionExpireMinutes>
<UIDefaultTimeoutMinutes>1440</UIDefaultTimeoutMinutes> -
Query takes 14 hours to complete - kindly help
I'm using Oracle9207 32bit on windows server 2003.
I executed the following query and it takes 14 hours to complete. I don't understand why it takes too long, the database is in archivelog mode and it is not running any other queries. I even specified nologging and the parallel option. And before performing the operation I even "alter table move..." the incmsg table.
The incmsg table contains around 70Million rows.
create table "ECI"."outactions_temp" tablespace USERS nologging parallel as select * FROM "ECI"."outactions" WHERE "ECI"."outactions"."incmsgserno" IN (select "ECI"."incmsg"."serno" from "ECI"."incmsg" where "ECI"."incmsg"."applicationserno" = 2 and "ECI"."incmsg"."timestamp" between to_date('01-MAY-2007', 'DD Mon YYYY') and to_date('21-SEP-2007', 'DD Mon YYYY'));
The execution plan is as follows:
SQL> select plan_table_output from table(dbms_xplan.display('PLAN_TABLE',null,'ALL'));
| Id | Operation | Name | Rows | Bytes | Cost | TQ |IN-OUT| PQ Distrib |
| 0 | CREATE TABLE STATEMENT | | 993 | 2050K| 8322 | | | |
| 1 | LOAD AS SELECT | | | | | 30,01 | P->S | QC (RAND) |
| 2 | TABLE ACCESS BY INDEX ROWID | outactions | 1 | 2080 | 3 | 30,01 | PCWC | |
| 3 | NESTED LOOPS | | 993 | 2050K| 8322 | 30,01 | PCWP | |
| 4 | TABLE ACCESS BY INDEX ROWID| incmsg | 993 | 34755 | 5343 | 30,00 | S->P | RND-ROBIN |
| 5 | INDEX RANGE SCAN | IX_INCMSG_TSTAMP | 178K| | 334 | | | |
| 6 | INDEX RANGE SCAN | IX104_1 | 1 | | 2 | 30,01 | PCWP | |
PX Slave SQL Information (identified by operation id):
1 - CREATE TABLE "ECI".:Q630001 TABLESPACE "USERS" NOLOGGING AS SELECT C0,C1,C2,C3,C4,C5,C6,C7 FROM (SELECT
/*+ ORDERED NO_EXPAND USE_NL(A2) INDEX(A2 "IX104_1") */ A2."serno" C0,A2."source" C1,A2."incmsgserno"
C2,A2."strategyserno" C3,A2."testrunserno" C4,A2."timestamp" C5,A2."xml_actions" C6,A2."status" C7 FROM :Q630000
A1,"ECI"."outactions" A2 WHERE A2."incmsgserno"=A1.C1)
23 rows selected.I executed the query without the create table statement and the following is the explain plan. I'm still reading thru FAQ on how to format the explain plan.
PLAN_TABLE_OUTPUT
| Id | Operation | Name | Rows | Bytes | Cost
| TQ |IN-OUT| PQ Distrib |
| 0 | SELECT STATEMENT | | 993 | 2050K| 832
PLAN_TABLE_OUTPUT
2 | | | |
| 1 | TABLE ACCESS BY INDEX ROWID | outactions | 1 | 2080 |
3 | 33,01 | PCWC | |
| 2 | NESTED LOOPS | | 993 | 2050K| 832
2 | 33,01 | P->S | QC (RAND) |
| 3 | TABLE ACCESS BY INDEX ROWID| incmsg | 993 | 34755 | 534
3 | 33,00 | S->P | RND-ROBIN |
PLAN_TABLE_OUTPUT
| 4 | INDEX RANGE SCAN | IX_INCMSG_TSTAMP | 178K| | 33
4 | | | |
| 5 | INDEX RANGE SCAN | IX104_1 | 1 | |
2 | 33,01 | PCWP | |
PX Slave SQL Information (identified by operation id):
PLAN_TABLE_OUTPUT
2 - SELECT /*+ ORDERED NO_EXPAND USE_NL(A2) INDEX(A2 "IX104_1") */
A1.C0,A1.C1,A1.C2,A2.ROWID,A2."serno",A2."source",A2."incmsgserno"
,A2."strategyserno",A2."testrunserno",A2."time
stamp",A2."xml_actions",A2."status" FROM :Q633000 A1,"ECI"."outact
ions" A2 WHERE A2."incmsgserno"=A1.C1
PLAN_TABLE_OUTPUT
Note: cpu costing is off, PLAN_TABLE' is old version
21 rows selected.
SQL> spool off; -
Domain index query takes 12 hours to execute
Hi Friends,
My query which uses domain index takes 12 hours to execute. Can you please help me tuning this query?
select /*+ NO_UNNEST ORDERED index_ffs(Term idx_recanon_term_ysm1) parallel_index(Term, idx_recanon_term_ysm1, 8) */ term.rowid
from cmpgn.recanon_search_terms,cmpgn.recanon_term_ysm Term
where cmpgn.recanon_search_terms.search_type=3 and
contains(Term.RAW_TERM_TEXT,cmpgn.recanon_search_terms.search_text) > 0 and
Term.pod_id=11
Thanks in advance.
Regards
BalaFirst your driving table is recanon_search_terms to get the required search terms, then use them to query Oracle Text. What you are trying to do is to get a subset of table term first and than run every individual row of table term against the search terms. This approach will take a very long time.
Not sure what you want to do, but it looks something I have been working on previously. As far I can see there is a table with controlled terms which are matched against other raw terms in a text document using Oracle Text. The issue is that you do a join in the contains clause without knowing the number of query expressions formed. It can be that 7 thousand individual queries run at once, than use indexes of the other predicates, do some sorting, etc. which would explain the long time needed. It will probably run out of memory causing all sorts of issues.
As a quick fix try first following statement without hints.
Tell us how many rows you get, the distinct counts for pod_id and search_type and how long it takes.
CREATE TABLE test_table AS
select term.pod_id pod_id, cmpgn.recanon_search_terms.search_type search_type, term_primary_key, ....
from cmpgn.recanon_search_terms,cmpgn.recanon_term_ysm Term
where contains(Term.RAW_TERM_TEXT,cmpgn.recanon_search_terms.search_text) > 0
Create index test_idx on test_table(pod_id, search_type) and use test_table instead to get the results, just by providing pod_id and search_type without the join in the contains clause.
SELECT ..
FROM test_table
WHERE pod_id = X
AND search_type = Y
Maybe this approach is sufficient for your purpose. For sure, it will give you instant results. In that case a materialized view instead of the table could work for maintenance reasons; I had some issues with materialized views for above scenario.
However check very carefully the results. I would have some doubts that all rows in search_text form a valid query expression for Oracle Text. If search_text has just single tokens or phrases wrapping curly brackets around will probably resolve the issue.
Think about to form one query expression through a function call instead of a table join inside the contains clause. Sometimes to run a set of individual queries are faster than one big query.
select term.rowid --, form_query_exrpession(3) query_exrpession
from cmpgn.recanon_term_ysm Term
where contains(Term.RAW_TERM_TEXT, form_query_exrpession(3)) > 0
The above function will form one valid Oracle Text query expression by using the table recanon_search_terms inside the function. This approach normally helps, at least in debugging and fine-tuning. Avoid using bind variables first in order to identify highly skewed distribution of search_type.
The other performance issue is the additional predicate of pod_id = X, here the suggestion from radord works very well. If you want to get your hands dirty have a look at user_datastore in the Oracle Text documentation, this will give you all the freedom you want. -
A query takes 7 hours to complete (0 rows rturned)
Hi all,
This query takes 7hours to complete since I migrated from 10g to 11g.
SELECT /*+ gather_plan_statistics */ T.OWNER, T.TABLE_NAME
FROM ( SELECT DISTINCT COFIR FROM DBAUSR_TT) U, VDBSTA S, DBA_TABLES T
WHERE S.COFIR = U.COFIR
AND S.CTTAB = 'T'
AND T.OWNER = S.COFIR
AND T.TABLE_NAME = S.COTAB
AND T.TEMPORARY = 'N'
AND (T.LAST_ANALYZED IS NOT NULL
OR EXISTS
(SELECT 1
FROM DBA_TAB_STATISTICS A
WHERE A.OWNER = T.OWNER
AND A.TABLE_NAME = T.TABLE_NAME
AND NVL (A.STATTYPE_LOCKED, '*') != 'ALL')
OR EXISTS
(SELECT 1
FROM DBA_INDEXES I
WHERE I.TABLE_OWNER = T.OWNER
AND I.TABLE_NAME = T.TABLE_NAME
AND I.LAST_ANALYZED IS NOT NULL))
ORDER BY 1, 2;
SQL> select * from table(dbms_xplan.display_cursor(NULL,NULL,'last iostats'));
PLAN_TABLE_OUTPUT
SQL_ID f3bzgtgudc0cd, child number 0
SELECT /*+ gather_plan_statistics */ T.OWNER, T.TABLE_NAME FROM (
SELECT DISTINCT COFIR FROM DBAUSR_TT) U, VDBSTA S, DBA_TABLES T
WHERE S.COFIR = U.COFIR AND S.CTTAB = 'T' AND
T.OWNER = S.COFIR AND T.TABLE_NAME = S.COTAB AND
T.TEMPORARY = 'N' AND (T.LAST_ANALYZED IS NOT NULL
OR EXISTS (SELECT 1 FROM
DBA_TAB_STATISTICS A WHERE A.OWNER = T.OWNER
AND A.TABLE_NAME = T.TABLE_NAME
AND NVL (A.STATTYPE_LOCKED, '*') != 'ALL')
OR EXISTS (SELECT 1 FROM
DBA_INDEXES I WHERE I.TABLE_OWNER = T.OWNER
AND I.TABLE_NAME = T.TABLE_NAME
AND I.LAST_ANALYZED IS NOT NULL)) ORDER BY 1, 2
Plan hash value: 291652704
| Id | Operation | Name | Starts | E-Rows | A-Rows | A-Time | Buffers | Reads |
| 0 | SELECT STATEMENT | | 1 | | 0 |00:07:55.28 | 73M| 54M|
| 1 | SORT ORDER BY | | 1 | 1 | 0 |00:07:55.28 | 73M| 54M|
|* 2 | FILTER | | 1 | | 0 |00:07:55.28 | 73M| 54M|
| 3 | NESTED LOOPS OUTER | | 1 | 1 | 2726 |00:00:05.37 | 17301 | 766 |
| 4 | NESTED LOOPS OUTER | | 1 | 1 | 2726 |00:00:05.37 | 17298 | 766 |
| 5 | NESTED LOOPS OUTER | | 1 | 1 | 2726 |00:00:05.37 | 16604 | 756 |
| 6 | NESTED LOOPS OUTER | | 1 | 1 | 2726 |00:00:05.37 | 16604 | 756 |
| 7 | NESTED LOOPS | | 1 | 1 | 2726 |00:00:05.37 | 12998 | 619 |
| 8 | NESTED LOOPS | | 1 | 1 | 2726 |00:00:05.37 | 10268 | 619 |
|* 9 | HASH JOIN | | 1 | 1 | 2726 |00:00:00.27 | 5329 | 11 |
|* 10 | HASH JOIN | | 1 | 4 | 5909 |00:00:00.18 | 5323 | 9 |
|* 11 | HASH JOIN | | 1 | 207 | 3296 |00:00:00.02 | 4152 | 0 |
| 12 | MERGE JOIN CARTESIAN | | 1 | 10 | 4 |00:00:00.02 | 3 | 0 |
|* 13 | HASH JOIN | | 1 | 1 | 1 |00:00:00.02 | 0 | 0 |
|* 14 | FIXED TABLE FULL | X$KSPPI | 1 | 1 | 1 |00:00:00.01 | 0 | 0 |
| 15 | FIXED TABLE FULL | X$KSPPCV | 1 | 100 | 2044 |00:00:00.01 | 0 | 0 |
| 16 | BUFFER SORT | | 1 | 10 | 4 |00:00:00.01 | 3 | 0 |
| 17 | VIEW | | 1 | 10 | 4 |00:00:00.01 | 3 | 0 |
| 18 | HASH UNIQUE | | 1 | 10 | 4 |00:00:00.01 | 3 | 0 |
| 19 | TABLE ACCESS FULL | DBAUSR_TT | 1 | 10 | 10 |00:00:00.01 | 3 | 0 |
| 20 | VIEW | VDBSTA | 1 | 2065 | 3296 |00:00:00.01 | 4149 | 0 |
| 21 | UNION-ALL | | 1 | | 3296 |00:00:00.01 | 4149 | 0 |
| 22 | NESTED LOOPS | | 1 | 1433 | 187 |00:00:00.01 | 1617 | 0 |
| 23 | MERGE JOIN CARTESIAN | | 1 | 1717 | 1740 |00:00:00.01 | 18 | 0 |
|* 24 | TABLE ACCESS FULL | USEUBX | 1 | 1 | 1 |00:00:00.01 | 3 | 0 |
| 25 | BUFFER SORT | | 1 | 1717 | 1740 |00:00:00.01 | 15 | 0 |
|* 26 | TABLE ACCESS FULL | STATAB | 1 | 1717 | 1740 |00:00:00.01 | 15 | 0 |
|* 27 | INDEX UNIQUE SCAN | TABCOM1 | 1740 | 1 | 187 |00:00:00.01 | 1599 | 0 |
| 28 | HASH UNIQUE | | 1 | 610 | 3106 |00:00:00.02 | 2499 | 0 |
| 29 | NESTED LOOPS ANTI | | 1 | 3294 | 3106 |00:00:00.01 | 2499 | 0 |
| 30 | MERGE JOIN CARTESIAN | | 1 | 3434 | 3480 |00:00:00.01 | 18 | 0 |
|* 31 | TABLE ACCESS FULL | USEUBX | 1 | 2 | 2 |00:00:00.01 | 3 | 0 |
| 32 | BUFFER SORT | | 2 | 1717 | 3480 |00:00:00.01 | 15 | 0 |
|* 33 | TABLE ACCESS FULL | STATAB | 1 | 1717 | 1740 |00:00:00.01 | 15 | 0 |
|* 34 | INDEX UNIQUE SCAN | TABCOM1 | 2634 | 58 | 301 |00:00:00.01 | 2481 | 0 |
| 35 | HASH UNIQUE | | 1 | 14 | 0 |00:00:00.01 | 15 | 0 |
| 36 | MERGE JOIN CARTESIAN | | 1 | 14 | 0 |00:00:00.01 | 15 | 0 |
|* 37 | TABLE ACCESS FULL | STATAB | 1 | 5 | 0 |00:00:00.01 | 15 | 0 |
| 38 | BUFFER SORT | | 0 | 3 | 0 |00:00:00.01 | 0 | 0 |
|* 39 | TABLE ACCESS FULL | USEUBX | 0 | 3 | 0 |00:00:00.01 | 0 | 0 |
| 40 | HASH UNIQUE | | 1 | 8 | 3 |00:00:00.01 | 18 | 0 |
| 41 | MERGE JOIN CARTESIAN | | 1 | 8 | 3 |00:00:00.01 | 18 | 0 |
|* 42 | TABLE ACCESS FULL | USEUBX | 1 | 1 | 1 |00:00:00.01 | 3 | 0 |
| 43 | BUFFER SORT | | 1 | 8 | 3 |00:00:00.01 | 15 | 0 |
|* 44 | TABLE ACCESS FULL | STATAB | 1 | 8 | 3 |00:00:00.01 | 15 | 0 |
|* 45 | TABLE ACCESS FULL | OBJ$ | 1 | 1000 | 99107 |00:00:00.01 | 1171 | 9 |
| 46 | TABLE ACCESS FULL | USER$ | 1 | 76 | 76 |00:00:00.02 | 6 | 2 |
|* 47 | TABLE ACCESS CLUSTER | TAB$ | 2726 | 1 | 2726 |00:00:05.85 | 4939 | 608 |
|* 48 | INDEX UNIQUE SCAN | I_OBJ# | 2726 | 1 | 2726 |00:00:00.23 | 577 | 19 |
| 49 | TABLE ACCESS CLUSTER | TS$ | 2726 | 1 | 2726 |00:00:00.01 | 2730 | 0 |
|* 50 | INDEX UNIQUE SCAN | I_TS# | 2726 | 1 | 2726 |00:00:00.01 | 4 | 0 |
| 51 | TABLE ACCESS CLUSTER | SEG$ | 2726 | 1 | 2726 |00:00:01.37 | 3606 | 137 |
|* 52 | INDEX UNIQUE SCAN | I_FILE#_BLOCK# | 2726 | 1 | 2726 |00:00:00.51 | 880 | 52 |
|* 53 | INDEX RANGE SCAN | I_OBJ1 | 2726 | 1 | 0 |00:00:00.01 | 0 | 0 |
|* 54 | INDEX RANGE SCAN | I_OBJ1 | 2726 | 1 | 2719 |00:00:00.18 | 694 | 10 |
|* 55 | INDEX RANGE SCAN | I_USER2 | 2726 | 1 | 2719 |00:00:00.01 | 3 | 0 |
| 56 | VIEW | DBA_TAB_STATISTICS | 2726 | 13 | 0 |07:24:59.23 | 73M| 54M|
| 57 | UNION-ALL | | 2726 | | 0 |07:24:59.23 | 73M| 54M|
| 58 | NESTED LOOPS OUTER | | 2726 | 1 | 0 |00:00:00.18 | 19122 | 1 |
| 59 | NESTED LOOPS | | 2726 | 1 | 0 |00:00:00.18 | 19122 | 1 |
| 60 | NESTED LOOPS OUTER | | 2726 | 1 | 2726 |00:00:00.04 | 11535 | 0 |
| 61 | NESTED LOOPS | | 2726 | 1 | 2726 |00:00:00.04 | 11534 | 0 |
| 62 | TABLE ACCESS BY INDEX ROWID | USER$ | 2726 | 1 | 2726 |00:00:00.04 | 5452 | 0 |
|* 63 | INDEX UNIQUE SCAN | I_USER1 | 2726 | 1 | 2726 |00:00:00.02 | 2726 | 0 |
|* 64 | INDEX RANGE SCAN | I_OBJ2 | 2726 | 1 | 2726 |00:00:00.01 | 6082 | 0 |
|* 65 | INDEX UNIQUE SCAN | I_TAB_STATS$_OBJ# | 2726 | 1 | 0 |00:00:00.01 | 1 | 0 |
|* 66 | TABLE ACCESS CLUSTER | TAB$ | 2726 | 1 | 0 |00:00:00.12 | 7587 | 1 |
|* 67 | INDEX UNIQUE SCAN | I_OBJ# | 2726 | 1 | 2726 |00:00:00.02 | 3225 | 0 |
|* 68 | INDEX UNIQUE SCAN | I_MON_MODS_ALL$_OBJ | 0 | 1 | 0 |00:00:00.01 | 0 | 0 |
| 69 | NESTED LOOPS OUTER | | 2726 | 1 | 0 |01:52:08.09 | 23M| 13M|
| 70 | NESTED LOOPS | | 2726 | 1 | 0 |01:52:08.09 | 23M| 13M|
| 71 | MERGE JOIN CARTESIAN | | 2726 | 9067 | 32M|01:50:22.71 | 13M| 13M|
| 72 | NESTED LOOPS OUTER | | 2726 | 1 | 2726 |00:00:00.02 | 11535 | 0 |
| 73 | NESTED LOOPS | | 2726 | 1 | 2726 |00:00:00.02 | 11534 | 0 |
| 74 | TABLE ACCESS BY INDEX ROWID | USER$ | 2726 | 1 | 2726 |00:00:00.01 | 5452 | 0 |
|* 75 | INDEX UNIQUE SCAN | I_USER1 | 2726 | 1 | 2726 |00:00:00.01 | 2726 | 0 |
|* 76 | INDEX RANGE SCAN | I_OBJ2 | 2726 | 1 | 2726 |00:00:00.02 | 6082 | 0 |
|* 77 | INDEX UNIQUE SCAN | I_TAB_STATS$_OBJ# | 2726 | 1 | 0 |00:00:00.01 | 1 | 0 |
| 78 | BUFFER SORT | | 2726 | 11909 | 32M|01:50:22.71 | 13M| 13M|
| 79 | TABLE ACCESS FULL | TAB$ | 2726 | 11909 | 32M|01:48:31.82 | 13M| 13M|
|* 80 | VIEW PUSHED PREDICATE | TABPARTV$ | 32M| 1 | 0 |00:01:23.69 | 9566K| 0 |
|* 81 | TABLE ACCESS BY INDEX ROWID | TABPART$ | 32M| 4 | 703K|00:01:10.17 | 9566K| 0 |
|* 82 | INDEX RANGE SCAN | I_TABPART_BOPART$ | 32M| 4 | 703K|00:00:51.77 | 9210K| 0 |
|* 83 | INDEX UNIQUE SCAN | I_MON_MODS_ALL$_OBJ | 0 | 1 | 0 |00:00:00.01 | 0 | 0 |
| 84 | NESTED LOOPS OUTER | | 2726 | 1 | 0 |01:53:02.61 | 23M| 13M|
| 85 | NESTED LOOPS | | 2726 | 1 | 0 |01:53:02.61 | 23M| 13M|
| 86 | MERGE JOIN CARTESIAN | | 2726 | 9067 | 32M|01:51:19.21 | 13M| 13M|
| 87 | NESTED LOOPS | | 2726 | 1 | 2726 |00:00:00.21 | 11534 | 0 |
| 88 | TABLE ACCESS BY INDEX ROWID | USER$ | 2726 | 1 | 2726 |00:00:00.12 | 5452 | 0 |
|* 89 | INDEX UNIQUE SCAN | I_USER1 | 2726 | 1 | 2726 |00:00:00.02 | 2726 | 0 |
|* 90 | INDEX RANGE SCAN | I_OBJ2 | 2726 | 1 | 2726 |00:00:00.06 | 6082 | 0 |
| 91 | BUFFER SORT | | 2726 | 11909 | 32M|01:51:19.03 | 13M| 13M|
| 92 | TABLE ACCESS FULL | TAB$ | 2726 | 11909 | 32M|01:49:51.13 | 13M| 13M|
|* 93 | VIEW PUSHED PREDICATE | TABPARTV$ | 32M| 1 | 0 |00:01:23.47 | 9566K| 0 |
|* 94 | TABLE ACCESS BY INDEX ROWID | TABPART$ | 32M| 1 | 0 |00:01:10.51 | 9566K| 0 |
|* 95 | INDEX RANGE SCAN | I_TABPART_BOPART$ | 32M| 4 | 703K|00:00:53.01 | 9210K| 0 |
|* 96 | INDEX UNIQUE SCAN | I_MON_MODS_ALL$_OBJ | 0 | 1 | 0 |00:00:00.01 | 0 | 0 |
| 97 | NESTED LOOPS OUTER | | 2726 | 1 | 0 |01:49:37.09 | 13M| 13M|
| 98 | NESTED LOOPS | | 2726 | 1 | 0 |01:49:37.09 | 13M| 13M|
| 99 | NESTED LOOPS OUTER | | 2726 | 1 | 0 |01:49:37.09 | 13M| 13M|
| 100 | NESTED LOOPS | | 2726 | 1 | 0 |01:49:37.09 | 13M| 13M|
| 101 | NESTED LOOPS | | 2726 | 11909 | 32M|01:47:05.13 | 13M| 13M|
| 102 | TABLE ACCESS BY INDEX ROWID | USER$ | 2726 | 1 | 2726 |00:00:00.08 | 5452 | 0 |
|*103 | INDEX UNIQUE SCAN | I_USER1 | 2726 | 1 | 2726 |00:00:00.04 | 2726 | 0 |
| 104 | TABLE ACCESS FULL | TAB$ | 2726 | 11909 | 32M|01:46:32.59 | 13M| 13M|
|*105 | VIEW PUSHED PREDICATE | TABCOMPARTV$ | 32M| 1 | 0 |00:00:37.20 | 1 | 1 |
| 106 | TABLE ACCESS BY INDEX ROWID | TABCOMPART$ | 32M| 1 | 0 |00:00:23.85 | 1 | 1 |
|*107 | INDEX RANGE SCAN | I_TABCOMPART_BOPART$ | 32M| 1 | 0 |00:00:09.37 | 1 | 1 |
|*108 | INDEX UNIQUE SCAN | I_MON_MODS_ALL$_OBJ | 0 | 1 | 0 |00:00:00.01 | 0 | 0 |
|*109 | TABLE ACCESS BY INDEX ROWID | OBJ$ | 0 | 1 | 0 |00:00:00.01 | 0 | 0 |
|*110 | INDEX RANGE SCAN | I_OBJ1 | 0 | 1 | 0 |00:00:00.01 | 0 | 0 |
|*111 | INDEX UNIQUE SCAN | I_TAB_STATS$_OBJ# | 0 | 1 | 0 |00:00:00.01 | 0 | 0 |
| 112 | NESTED LOOPS | | 2726 | | 0 |01:50:32.64 | 13M| 13M|
| 113 | NESTED LOOPS | | 2726 | 1 | 0 |01:50:32.62 | 13M| 13M|
| 114 | NESTED LOOPS OUTER | | 2726 | 1 | 0 |01:50:32.60 | 13M| 13M|
| 115 | NESTED LOOPS OUTER | | 2726 | 1 | 0 |01:50:32.60 | 13M| 13M|
| 116 | NESTED LOOPS | | 2726 | 1 | 0 |01:50:32.58 | 13M| 13M|
| 117 | NESTED LOOPS | | 2726 | 1 | 0 |01:50:32.58 | 13M| 13M|
| 118 | NESTED LOOPS | | 2726 | 1 | 0 |01:50:32.58 | 13M| 13M|
| 119 | NESTED LOOPS | | 2726 | 11909 | 32M|01:48:00.62 | 13M| 13M|
| 120 | TABLE ACCESS BY INDEX ROWID| USER$ | 2726 | 1 | 2726 |00:00:00.04 | 5452 | 0 |
|*121 | INDEX UNIQUE SCAN | I_USER1 | 2726 | 1 | 2726 |00:00:00.02 | 2726 | 0 |
| 122 | TABLE ACCESS FULL | TAB$ | 2726 | 11909 | 32M|01:48:00.58 | 13M| 13M|
|*123 | VIEW PUSHED PREDICATE | TABCOMPARTV$ | 32M| 1 | 0 |00:00:39.60 | 1 | 0 |
| 124 | TABLE ACCESS BY INDEX ROWID| TABCOMPART$ | 32M| 1 | 0 |00:00:26.27 | 1 | 0 |
|*125 | INDEX RANGE SCAN | I_TABCOMPART_BOPART$ | 32M| 1 | 0 |00:00:09.80 | 1 | 0 |
| 126 | VIEW PUSHED PREDICATE | TABSUBPARTV$ | 0 | 1 | 0 |00:00:00.01 | 0 | 0 |
|*127 | TABLE ACCESS BY INDEX ROWID | TABSUBPART$ | 0 | 1 | 0 |00:00:00.01 | 0 | 0 |
|*128 | INDEX RANGE SCAN | I_TABSUBPART_POBJSUBPART$ | 0 | 1 | 0 |00:00:00.01 | 0 | 0 |
|*129 | INDEX RANGE SCAN | I_OBJ1 | 0 | 1 | 0 |00:00:00.01 | 0 | 0 |
|*130 | INDEX UNIQUE SCAN | I_TAB_STATS$_OBJ# | 0 | 1 | 0 |00:00:00.01 | 0 | 0 |
|*131 | INDEX UNIQUE SCAN | I_MON_MODS_ALL$_OBJ | 0 | 1 | 0 |00:00:00.01 | 0 | 0 |
|*132 | INDEX RANGE SCAN | I_OBJ1 | 0 | 1 | 0 |00:00:00.01 | 0 | 0 |
|*133 | TABLE ACCESS BY INDEX ROWID | OBJ$ | 0 | 1 | 0 |00:00:00.01 | 0 | 0 |
|*134 | FILTER | | 2726 | | 0 |00:00:00.02 | 0 | 0 |
|*135 | FILTER | | 0 | | 0 |00:00:00.01 | 0 | 0 |
|*136 | HASH JOIN OUTER | | 0 | 8 | 0 |00:00:00.01 | 0 | 0 |
| 137 | NESTED LOOPS OUTER | | 0 | 8 | 0 |00:00:00.01 | 0 | 0 |
|*138 | FIXED TABLE FULL | X$KQFTA | 0 | 8 | 0 |00:00:00.01 | 0 | 0 |
|*139 | INDEX UNIQUE SCAN | I_TAB_STATS$_OBJ# | 0 | 1 | 0 |00:00:00.01 | 0 | 0 |
| 140 | TABLE ACCESS FULL | FIXED_OBJ$ | 0 | 783 | 0 |00:00:00.01 | 0 | 0 |
| 141 | NESTED LOOPS | | 2726 | 1 | 0 |00:00:00.70 | 19121 | 4 |
| 142 | NESTED LOOPS | | 2726 | 1 | 0 |00:00:00.68 | 19121 | 4 |
| 143 | NESTED LOOPS OUTER | | 2726 | 1 | 0 |00:00:00.68 | 19121 | 4 |
| 144 | NESTED LOOPS OUTER | | 2726 | 1 | 0 |00:00:00.68 | 19121 | 4 |
| 145 | NESTED LOOPS OUTER | | 2726 | 1 | 0 |00:00:00.64 | 19121 | 4 |
| 146 | NESTED LOOPS OUTER | | 2726 | 1 | 0 |00:00:00.64 | 19121 | 4 |
| 147 | NESTED LOOPS | | 2726 | 1 | 0 |00:00:00.64 | 19121 | 4 |
| 148 | NESTED LOOPS | | 2726 | 1 | 2726 |00:00:00.25 | 11534 | 0 |
| 149 | TABLE ACCESS BY INDEX ROWID | USER$ | 2726 | 1 | 2726 |00:00:00.16 | 5452 | 0 |
|*150 | INDEX UNIQUE SCAN | I_USER1 | 2726 | 1 | 2726 |00:00:00.04 | 2726 | 0 |
|*151 | INDEX RANGE SCAN | I_OBJ2 | 2726 | 1 | 2726 |00:00:00.08 | 6082 | 0 |
|*152 | TABLE ACCESS CLUSTER | IND$ | 2726 | 1 | 0 |00:00:00.39 | 7587 | 4 |
|*153 | INDEX UNIQUE SCAN | I_OBJ# | 2726 | 1 | 2726 |00:00:00.02 | 3225 | 0 |
| 154 | TABLE ACCESS CLUSTER | TS$ | 0 | 1 | 0 |00:00:00.01 | 0 | 0 |
|*155 | INDEX UNIQUE SCAN | I_TS# | 0 | 1 | 0 |00:00:00.01 | 0 | 0 |
| 156 | TABLE ACCESS CLUSTER | SEG$ | 0 | 1 | 0 |00:00:00.01 | 0 | 0 |
|*157 | INDEX UNIQUE SCAN | I_FILE#_BLOCK# | 0 | 1 | 0 |00:00:00.01 | 0 | 0 |
|*158 | INDEX RANGE SCAN | I_OBJ1 | 0 | 1 | 0 |00:00:00.01 | 0 | 0 |
|*159 | INDEX RANGE SCAN | I_USER2 | 0 | 1 | 0 |00:00:00.01 | 0 | 0 |
|*160 | TABLE ACCESS BY INDEX ROWID | OBJ$ | 0 | 1 | 0 |00:00:00.01 | 0 | 0 |
|*161 | INDEX RANGE SCAN | I_OBJ1 | 0 | 1 | 0 |00:00:00.01 | 0 | 0 |
|*162 | INDEX RANGE SCAN | I_USER2 | 0 | 1 | 0 |00:00:00.01 | 0 | 0 |
Predicate Information (identified by operation id):
2 - filter(("T"."ANALYZETIME" IS NOT NULL OR IS NOT NULL OR IS NOT NULL))
9 - access("U"."NAME"="S"."COFIR" AND "O"."OWNER#"="U"."USER#")
10 - access("O"."NAME"="S"."COTAB")
11 - access("S"."COFIR"="U"."COFIR")
13 - access("KSPPI"."INDX"="KSPPCV"."INDX")
14 - filter("KSPPI"."KSPPINM"='_dml_monitoring_enabled')
24 - filter("U"."TYUSR"='C')
26 - filter(("S"."CTTAB"='T' AND "S"."TYUSR" IS NULL))
27 - access("T"."COOBJ"="S"."COTAB")
31 - filter("U"."TYUSR"='U')
33 - filter(("S"."CTTAB"='T' AND "S"."TYUSR" IS NULL))
34 - access("S"."COTAB"="T"."COOBJ")
37 - filter(("S"."TYUSR"='G' AND "S"."CTTAB"='T'))
39 - filter(("U"."TYUSR"='U' OR "U"."TYUSR"='X'))
42 - filter("U"."TYUSR"='X')
44 - filter(("S"."CTTAB"='T' AND "S"."TYUSR"='X'))
45 - filter((DECODE(BITAND("O"."FLAGS",2),0,'N',2,'Y','N')='N' AND BITAND("O"."FLAGS",128)=0))
47 - filter(BITAND("T"."PROPERTY",1)=0)
48 - access("O"."OBJ#"="T"."OBJ#")
50 - access("T"."TS#"="TS"."TS#")
52 - access("T"."TS#"="S"."TS#" AND "T"."FILE#"="S"."FILE#" AND "T"."BLOCK#"="S"."BLOCK#")
53 - access("T"."BOBJ#"="CO"."OBJ#")
54 - access("T"."DATAOBJ#"="CX"."OBJ#")
55 - access("CX"."OWNER#"="CU"."USER#")
63 - access("U"."NAME"=:B1)
64 - access("O"."OWNER#"="U"."USER#" AND "O"."NAME"=:B1 AND "O"."NAMESPACE"=1 AND "O"."REMOTEOWNER" IS NULL AND
"O"."LINKNAME" IS NULL AND "O"."SUBNAME" IS NULL)
filter(("O"."SUBNAME" IS NULL AND "O"."REMOTEOWNER" IS NULL AND "O"."LINKNAME" IS NULL))
65 - access("O"."OBJ#"="TS"."OBJ#")
66 - filter((NVL(DECODE(BITAND("T"."TRIGFLAG",67108864)+BITAND("T"."TRIGFLAG",134217728),0,NULL,67108864,'DATA',134217728,'CAC
HE','ALL'),'*')<>'ALL' AND BITAND("T"."PROPERTY",1)=0))
67 - access("O"."OBJ#"="T"."OBJ#")
68 - access("T"."OBJ#"="M"."OBJ#")
75 - access("U"."NAME"=:B1)
76 - access("O"."OWNER#"="U"."USER#" AND "O"."NAME"=:B1 AND "O"."NAMESPACE"=1 AND "O"."REMOTEOWNER" IS NULL ANDsome information about the database:
2 ;
BANNER
Oracle Database 11g Enterprise Edition Release 11.1.0.7.0 - Production
PL/SQL Release 11.1.0.7.0 - Production
CORE 11.1.0.7.0 Production
TNS for 32-bit Windows: Version 11.1.0.7.0 - Production
NLSRTL Version 11.1.0.7.0 - Production
SQL> sho parameter optimizer
NAME TYPE VALUE
optimizer_capture_sql_plan_baselines boolean FALSE
optimizer_dynamic_sampling integer 2
optimizer_features_enable string 11.1.0.7
optimizer_index_caching integer 0
optimizer_index_cost_adj integer 100
optimizer_mode string ALL_ROWS
optimizer_secure_view_merging boolean TRUE
optimizer_use_invisible_indexes boolean FALSE
optimizer_use_pending_statistics boolean FALSE
optimizer_use_sql_plan_baselines boolean TRUEthe issue seems to be on the view DBA_TAB_STATISTICS and in particular on this operation:
| 122 | TABLE ACCESS FULL | TAB$ | 2726 | 11909 | 32M|01:48:00.58 | 13M| 13M|How can I tune this query ?
Thanks for helpingWell, if you've ever looked at the source for DBA_TAB_STATISTICS you will understand why it's not a great candidate to query frequently, like in an exists look up :)
This takes up a little more code, but i'd wager it finishes a bit sooner.
SELECT
/*+ gather_plan_statistics */
T.OWNER,
T.TABLE_NAME
FROM
( SELECT DISTINCT COFIR
FROM DBAUSR_TT
) U,
VDBSTA S,
DBA_TABLES T
WHERE S.COFIR = U.COFIR
AND S.CTTAB = 'T'
AND T.OWNER = S.COFIR
AND T.TABLE_NAME = S.COTAB
AND T.TEMPORARY = 'N'
AND
T.LAST_ANALYZED IS NOT NULL
OR EXISTS
SELECT 1
FROM DBA_INDEXES I
WHERE I.TABLE_OWNER = T.OWNER
AND I.TABLE_NAME = T.TABLE_NAME
AND I.LAST_ANALYZED IS NOT NULL
UNION
SELECT
T.OWNER,
T.TABLE_NAME
FROM
( SELECT DISTINCT COFIR FROM DBAUSR_TT
) U,
VDBSTA S,
DBA_TABLES T,
DBA_TAB_STATISTICS A
WHERE S.COFIR = U.COFIR
AND S.CTTAB = 'T'
AND T.OWNER = S.COFIR
AND T.TABLE_NAME = S.COTAB
AND T.TEMPORARY = 'N'
--added predicate
AND T.LAST_ANALYZED IS NULL
AND A.OWNER = T.OWNER
AND A.TABLE_NAME = T.TABLE_NAME
AND NVL (A.STATTYPE_LOCKED, '*') != 'ALL')
ORDER BY 1, 2; -
Weird query problem after upgrade to 10g
After upgrading from 9i to 10g I've noticed that one query slowed down drastically (from 100[ms] to 30[s])
SELECT ... FROM first_table LEFT OUTER JOIN second_table ON ...
WHERE first_table.number_column = '453' ...
What's weird is the redundant apostrophes around number in WHERE clause. The same query without those apostrophes executes in 100[ms].
I know it doesn't make any sense to put numbers inside apostrophes but it results from the application structure. Since I can't change the application I need the way to improve this query from the database level.
I tested this query with other databases (9i and 10g) and there is no differences whether the number is in apostrophes or not.
What does it depend on?
Any ideas how to speed-up this query?
Thanks in advance
KuntaHi Gerard,
When the query window comes from a table Oracle always recommends:
1) Use the /*+ ordered */ hint
2) Put the table the quiery window comes from (geometry-2 in the query) first in the from clause
However, your query is also written very strange. Do you know about SDO_WITHIN_DISTANCE? Or are you trying to do SDO_ANYINTERACT (since the distance is 0)?
So I would write the query you have as:
SELECT s.ROWNUM
from NOMINATIONS O, COUNTIES s
where sdo_relate(S.GEOM,o.geom, 'querytype=WINDOW mask=anyinteract')='TRUE';
or in Oracle10g:
SELECT s.ROWNUM
from NOMINATIONS O, COUNTIES s
where sdo_anyinteract(S.GEOM,o.geom)='TRUE'; -
Excel ADODB Sql Query Execution taking hours when manipulate excel tables
Hello All
I have 28000 records with 8 column in an sheet. When I convert the sheet into ADODB database and copy to new
excel using below code it is executing in less than a min
Set Tables_conn_obj = New ADODB.Connection
Tables_conn_str = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" & Table_Filename & ";Extended Properties=""Excel 12.0;ReadOnly=False;HDR = Yes;IMEX=1"""
Tables_conn_obj.Open Tables_conn_str
First_Temp_sqlqry = "Select * INTO [Excel 12.0;DATABASE=C:\Prod Validation\Database\Second Acat Table.xlsb].[Sheet1] Table [first - Table$];" Tables_conn_obj.Execute First_Temp_sqlqry
But when I change the query to manipulate one column in current table based on another table in the same excel
and try to copy the results in another excel, it is taking more than one hour.. why it is taking this much time when both the query results returns the same number of rows and column. I almost spend one week and still not able to resolve this issue.
Even I tried copyfromrecordset, getrows(), getstring(), Looping each recordset fields options all of them taking
same amount of time. Why there is huge difference in execution time.
Important note: Without into statement even below query is executing in few seconds.
select ( ''''''manipulating first column based on other table data''''''''''''''
iif(
[Second - Table$].[Policy Agent] = (select max([ACAT$].[new_Agent_number]) from [ACAT$] where [ACAT$].[new_Agent_number] = [Second - Table$].[Policy Agent] and [ACAT$].[ACAT_EffectiveDate] = ( select MAX([ACAT$].[ACAT_EffectiveDate] ) from [ACAT$] where [ACAT$].[new_Agent_number] = [Second - Table$].[Policy Agent]and [ACAT$].[ACAT_EffectiveDate] > '2014-10-01') ) , (select max([ACAT$].[Old_Agent_number]) from [ACAT$] where [ACAT$].[new_Agent_number] = [Second - Table$].[Policy Agent] and [ACAT$].[ACAT_EffectiveDate] = ( select MAX([ACAT$].[ACAT_EffectiveDate] ) from [ACAT$] where [ACAT$].[new_Agent_number] = [Second - Table$].[Policy Agent]and [ACAT$].[ACAT_EffectiveDate] > '2014-10-01')) ,
iif( [Second - Table$].[Policy Agent] = (select max([ACAT$].[Old_Agent_number]) from [ACAT$] where [ACAT$].[Old_Agent_number] = [Second - Table$].[Policy Agent] and [ACAT$].[ACAT_EffectiveDate] = ( select MAX([ACAT$].[ACAT_EffectiveDate] ) from [ACAT$]where [ACA T$].[Old_Agent_number] = [Second - Table$].[Policy Agent]and [ACAT$].[ACAT_EffectiveDate] <= '2014-10-01') ), (select max([ACAT$].[new_Agent_number]) from [ACAT$] where [ACAT$].[Old_Agent_number] = [Second - Table$].[Policy Agent] and [ACAT$].[ACAT_EffectiveDate] = ( select MAX([ACAT$].[ACAT_EffectiveDate] ) from [ACAT$] where [ACAT$].[Old_Agent_number] = [Second - Table$].[Policy Agent]and [ACAT$].[ACAT_EffectiveDate] <= '2014-10-01')) ,
[Second - Table$].[Policy Agent] ))) as [Policy Agent],
''''''summing up all other columns''''''''''''''
(iif(isnull(sum([Second - Table$].[Auto BW-Line Of Business Detail])),0,sum([Second - Table$].[Auto BW-Line Of Business Detail]))) as [Auto BW-Line Of Business Detail],(iif(isnull(sum([Second - Table$].[Auto Farmers])),0,sum([Second - Table$].[Auto Farmers]))) as [Auto Farmers],(iif(isnull(sum([Second - Table$].[MCA])),0,sum([Second - Table$].[MCA]))) as [MCA],(iif(isnull(sum([Second - Table$].[CEA])),0,sum([Second - Table$].[CEA]))) as [CEA],(iif(isnull(sum([Second - Table$].[Commercial P&C])),0,sum([Second - Table$].[Commercial P&C]))) as [Commercial P&C],(iif(isnull(sum([Second - Table$].[Comm WC])),0,sum([Second - Table$].[Comm WC]))) as [Comm WC],(iif(isnull(sum([Second - Table$].[Fire Farmers])),0,sum([Second - Table$].[Fire Farmers]))) as [Fire Farmers],(iif(isnull(sum([Second - Table$].[Flood])),0,sum([Second - Table$].[Flood]))) as [Flood],(iif(isnull(sum([Second - Table$].[Kraft Lake])),0,sum([Second - Table$].[Kraft Lake]))) as [Kraft Lake],(iif(isnull(sum([Second - Table$].[Life])),0,sum([Second - Table$].[Life]))) as [Life],(iif(isnull(sum([Second - Table$].[Foremost])),0,sum([Second - Table$].[Foremost]))) as [Foremost],(iif(isnull(sum([Second - Table$].[Umbrella])),0,sum([Second - Table$].[Umbrella]))) as [Umbrella],(iif(isnull(sum([Second - Table$].[MCNA])),0,sum([Second - Table$].[MCNA]))) as [MCNA]
INTO [Excel 12.0;DATABASE=C:\Prod Validation\Database\Second Acat Table.xlsb].[Sheet1]
from [Second - Table$] group by [Second - Table$].[Policy Agent] ;Hi Fei,
Thank you so much for the reply post. I just executed the same above SQL without INTO Statement and assigned the SQL result to ADODB recordset as below. If the time difference is due to the SQL query then below statements also should execute for hours
right, but it gets executed in seconds. But to copy the recordset to excel again it is taking hours. I tried copyfromrecordset,
getrows(), getstring(), Looping each recordset fields options and all of them taking same amount of time. Please let me know there is delay in time for this much small data
Even I tried to typecast all columns to double, string in SQL and still the execution time is not reduced.
First_Temp_Recordset.Open sql_qry, Tables_conn_obj, adOpenStatic, adLockOptimistic ''' OR SET First_Temp_Recordset = Tables_conn_obj.Execute sql_qry -
Excel ADODB Sql Query Execution taking hours when manipulate excel tables why?
I have 28000 records with 8 column in an sheet. When I convert the sheet into ADODB database and copy to new excel using below code it is executing in less than a min
Set Tables_conn_obj = New ADODB.Connection Tables_conn_str = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" & Table_Filename & ";Extended Properties=""Excel 12.0;ReadOnly=False;HDR = Yes;IMEX=1""" Tables_conn_obj.Open
Tables_conn_str First_Temp_sqlqry = "Select * INTO [Excel 12.0;DATABASE=C:\Prod Validation\Database\Second Acat Table.xlsb].[Sheet1] Table [first - Table$];" Tables_conn_obj.Execute First_Temp_sqlqry
But when I change the query to manipulate one column in current table based on another table in the same excel and try to copy the results in another excel, it is taking more than one hour.. why it is taking this much time when both the query results returns
the same number of rows and column. I almost spend one week and still not able to resolve this issue.
Even I tried copyfromrecordset, getrows(), getstring(), Looping each recordset fields options all of them taking same amount of time. Appreciate any inputs...
select ( ''''''manipulating first column based on other table data''''''''''''''
iif( [Second - Table$].[Policy Agent] = (select max([ACAT$].[new_Agent_number]) from [ACAT$] where [ACAT$].[new_Agent_number] = [Second - Table$].[Policy Agent] and [ACAT$].[ACAT_EffectiveDate] = ( select MAX([ACAT$].[ACAT_EffectiveDate] ) from [ACAT$] where
[ACAT$].[new_Agent_number] = [Second - Table$].[Policy Agent]and [ACAT$].[ACAT_EffectiveDate] > '2014-10-01') ) , (select max([ACAT$].[Old_Agent_number]) from [ACAT$] where [ACAT$].[new_Agent_number] = [Second - Table$].[Policy Agent] and [ACAT$].[ACAT_EffectiveDate]
= ( select MAX([ACAT$].[ACAT_EffectiveDate] ) from [ACAT$] where [ACAT$].[new_Agent_number] = [Second - Table$].[Policy Agent]and [ACAT$].[ACAT_EffectiveDate] > '2014-10-01')) ,
iif( [Second - Table$].[Policy Agent] = (select max([ACAT$].[Old_Agent_number]) from [ACAT$] where [ACAT$].[Old_Agent_number] = [Second - Table$].[Policy Agent] and [ACAT$].[ACAT_EffectiveDate] = ( select MAX([ACAT$].[ACAT_EffectiveDate] ) from [ACAT$]where
[ACA T$].[Old_Agent_number] = [Second - Table$].[Policy Agent]and [ACAT$].[ACAT_EffectiveDate] <= '2014-10-01') ), (select max([ACAT$].[new_Agent_number]) from [ACAT$] where [ACAT$].[Old_Agent_number] = [Second - Table$].[Policy Agent] and [ACAT$].[ACAT_EffectiveDate]
= ( select MAX([ACAT$].[ACAT_EffectiveDate] ) from [ACAT$] where [ACAT$].[Old_Agent_number] = [Second - Table$].[Policy Agent]and [ACAT$].[ACAT_EffectiveDate] <= '2014-10-01')) ,
[Second - Table$].[Policy Agent] ))) as [Policy Agent],
''''''summing up all other columns''''''''''''''
(iif(isnull(sum([Second - Table$].[Auto BW-Line Of Business Detail])),0,sum([Second - Table$].[Auto BW-Line Of Business Detail]))) as [Auto BW-Line Of Business Detail],(iif(isnull(sum([Second - Table$].[Auto Farmers])),0,sum([Second - Table$].[Auto Farmers])))
as [Auto Farmers],(iif(isnull(sum([Second - Table$].[MCA])),0,sum([Second - Table$].[MCA]))) as [MCA],(iif(isnull(sum([Second - Table$].[CEA])),0,sum([Second - Table$].[CEA]))) as [CEA],(iif(isnull(sum([Second - Table$].[Commercial P&C])),0,sum([Second
- Table$].[Commercial P&C]))) as [Commercial P&C],(iif(isnull(sum([Second - Table$].[Comm WC])),0,sum([Second - Table$].[Comm WC]))) as [Comm WC],(iif(isnull(sum([Second - Table$].[Fire Farmers])),0,sum([Second - Table$].[Fire Farmers]))) as [Fire
Farmers],(iif(isnull(sum([Second - Table$].[Flood])),0,sum([Second - Table$].[Flood]))) as [Flood],(iif(isnull(sum([Second - Table$].[Kraft Lake])),0,sum([Second - Table$].[Kraft Lake]))) as [Kraft Lake],(iif(isnull(sum([Second - Table$].[Life])),0,sum([Second
- Table$].[Life]))) as [Life],(iif(isnull(sum([Second - Table$].[Foremost])),0,sum([Second - Table$].[Foremost]))) as [Foremost],(iif(isnull(sum([Second - Table$].[Umbrella])),0,sum([Second - Table$].[Umbrella]))) as [Umbrella],(iif(isnull(sum([Second - Table$].[MCNA])),0,sum([Second
- Table$].[MCNA]))) as [MCNA]
INTO [Excel 12.0;DATABASE=C:\Prod Validation\Database\Second Acat Table.xlsb].[Sheet1]
from [Second - Table$] group by [Second - Table$].[Policy Agent] ;Hi Fei,
Thank you so much for the reply post. I just executed the same above SQL without INTO Statement and assigned the SQL result to ADODB recordset as below. If the time difference is due to the SQL query then below statements also should execute for hours
right, but it gets executed in seconds. But to copy the recordset to excel again it is taking hours. I tried copyfromrecordset,
getrows(), getstring(), Looping each recordset fields options and all of them taking same amount of time. Please let me know there is delay in time for this much small data
Even I tried to typecast all columns to double, string in SQL and still the execution time is not reduced.
First_Temp_Recordset.Open sql_qry, Tables_conn_obj, adOpenStatic, adLockOptimistic ''' OR SET First_Temp_Recordset = Tables_conn_obj.Execute sql_qry -
After Upgrade OBI 10g to 11g:Odbc driver returned an error - SQLExecDirectW
Hi all,
for an OBI upgrade from 10g to 11g I used a RPD and Webcatalog based on a remote machine other than my local machine. Firstable I am making the tests on a Linux Virtual machine, which uses the Sample Lite version from Oracle.
I made the following steps:
1. I upgraded the RPD and Webcatalog. It worked without any errors.
2. I set the static variable BI_EE_HOME via Administration Tool to the path in the Linux machine.
--> Here I am not sure if the set path is correct. It begins with: \bi\ ...\instances\...\coreapplication_obis1 (... : I can't mention here the whole path name).
--> When the OBI Server is installed in Windows, the mentioned static variable points to something like 'C:\<install folder>\...\coreapplication_obis1'
--> Question: is the begin of my set path correct?. I set that pointing to the Linux OBI Server, because the OBI Server is installed on Linux.
Problem:
After login as the user in RPD: Administrator/<Password for my upgraded RPD> I can see the links in the Catalog and the Dashboards links. But I can not see any values, any Reports when going through the links.
For example when trying to see a Dashboard with date 12.02.2011it happens:
Odbc driver returned an error (SQLExecDirectW).
Status: HY000. Code: 10058. [NQODBC] [SQL_STATE: HY000] [nQSError: 10058] general error.
[nQSError: 43113] Message returned from OBIS.
[nQSError: 43119] Query Failed:
[nQSError: 17001] Oracle Error code: 12154, message: ORA-12154: TNS:could not resolve the connect identifier specified
at OCI call OCIServerAttach.
[nQSError: 17014] Could not connect to Oracle database. (HY000)
SQL Issued: SELECT "Dimension_-_My Dimension"."MyDimension" saw_0 FROM "Accounting (ACC)" WHERE "Dimension_-_My Dimension"."MyDimension" LIKE 'J%' ORDER BY saw_0
I think its not retrieving the data from the remote database, because I don't have the data of the remote database in my local. I think the OBI Server still is pointing to the local virtual machine Oracle database.
Can anybody tell me what happens here and how can I solve this problem?.
I would appreciate any help....Hi gerardnico,
I've tried many things and did as in your articles, but I don't have success with that.
These are the things I did:
1. I searched for the file tnsnames.ora in my Linux virtual machine. I could find it in many paths:
/.../Oracle_BI1/network/admin/samples/tnsnames.ora
/.../oracle/xe/app/oracle/product/10.2.0/server/hs/admin/tnsnames.ora.sample
/.../oracle/xe/app/oracle/product/10.2.0/server/network/admin/tnsnames.ora
/.../oracle/xe/app/oracle/product/10.2.0/server/network/admin/samples/tnsnames.ora
/.../oracle/xe/app/oracle/product/10.2.0/server/network/admin/temp/tnsnames.ora
/.../usr/lib/oracle/xe/app/oracle/product/10.2.0/server/network/admin
in the last path I found the listener.ora as well.
2. I took the tnsnames.ora from the last path, because the ORACLE_HOME points to /.../usr/lib/oracle/xe/app/oracle/product/10.2.0/server
3. I edited the tnsnames.ora this way:
# tnsnames.ora Network Configuration File:
XE =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = host_of_the_remote_machine)(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = database_name_of_the_remote_machine)
EXTPROC_CONNECTION_DATA =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC_FOR_XE))
(CONNECT_DATA =
(SID = database_SID_of_the_remote_machine)
(PRESENTATION = RO)
4. I made a backup of the tnsnames.ora in path /.../Oracle_BI1/network/admin/samples/tnsnames.ora
and copied the tnsnames.ora from /.../usr/lib/oracle/xe/app/oracle/product/10.2.0/server/network/admin to the Oracle_BI1 path
5. I set the TNS_ADMIN to /.../usr/lib/oracle/xe/app/oracle/product/10.2.0/server/network/admin
6. I restarted the BI Server
No success in what I did. The error is still there.
7. I've tried also: sqlplus database_user_remote_machine/database_password_remote_machine@database_SID_remote_machine
I didn't get the connection:
SQL*Plus: Release 10.2.0.1.0 - Production on Thu Jun 16 04:36:10 2011
Copyright (c) 1982, 2005, Oracle. All rights reserved.
ERROR:
ORA-12154: TNS:could not resolve the connect identifier specified
Enter user-name: database_user_remote_machine
Enter password:
ERROR:
ORA-01034: ORACLE not available
ORA-27101: shared memory realm does not exist
Linux Error: 2: No such file or directory
What am I doing wrong here?. I am still thinking that I need the import of the database.
Additional SID=Service-Name=Database-name in the remote machine. -
Strange Client Behavior after upgrading to 10g
Hello Friends !!!!
Here is my scenario:
Oracle Database 10g 10.2.0.3
Windows 2008 Server SP2
After upgrading from oracle 9.2.0.1.0 and Windows 2003 Server I'm facing a strange behavior.
Many times over the days some machines do not release some table resources even having their status "INACTIVE" and the wait event "SQL *Net message from client" and wait class "IDLE".
Therefore, i got a lot of locked sessions, and users complaining..... until I kill them
The client machine was as well switched to Oracle 10g client....
Have you guys got any tips about this scenario?
Tks for any advice.About the lock queue:
1. blocking session has an exclusive table lock on VENDEDORES table; this is very rare in application because most of the time not needed: application code should try to avoid to take such kind of lock.
2. blocked sessions request a row share table lock: it looks like that VENDEDORES table is a child table linked to some parent table with a foreign key constraint and that an index on the child table foreign key is missing (this kind of lock is requested if you DELETE from parent table or update parent table primary key).
About the lock session: this is the blocking session that is waiting since 19 seconds on client: it is likely an application issue: you should try to investigate what the client (aservice.exe) is doing while holding an exclusive table lock.
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