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icon6.gif sticky: How to tune SQL or Identify Performance Problem and Bottleneck
By: Michel Cadot on Fri, 22 June 2007
7 73835 Sat, 07 March 2015 12:25
By: Kevin Meade
  Same query runs way better in 10g than in 12c
Oracle 10g, 12c
By: Asfakul on Thu, 18 May 2017
6 269 Tue, 23 May 2017 14:35
By: LNossov
  cannot see a-rows while querying dbms_xplan.display_cursor
Oracle Database 10g Enterprise (RAC) Edition Release 10.2.0.4.0 - 64bit, LINUX
By: Andrey_R on Thu, 03 May 2012
17 4923 Sun, 14 May 2017 07:18
By: BlackSwan
  How to identify index type for partitioned tables
Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production
By: saipradyumn on Wed, 01 February 2017
16 811 Mon, 24 April 2017 22:16
By: trantuananh24hg
  Number of values in Not in list
Oracle 11 g
By: saipradyumn on Tue, 14 March 2017
6 430 Mon, 24 April 2017 01:20
By: saipradyumn
  Help Tuning slow query
Oracle 12c
By: James_s on Sat, 15 April 2017
7 358 Tue, 18 April 2017 01:17
By: James_s
  Query became very slow
Oracle 11.2.0.3
By: lotusdeva on Wed, 08 February 2017
8 628 Fri, 24 March 2017 02:54
By: Roachcoach
  IM Column Store ( indexes,lob data)
Oracle 12.1.0.2
By: chad_2000 on Sat, 18 February 2017
27 1216 Sat, 04 March 2017 02:33
By: LNossov
  Oracle 12c -Query CPU Cost is very high
Oracle 12c Release 1, Linux(Oracle Database 12c Enterprise Edition Release 12.1.0.2.0 - 64bit Production)
By: anil_mk on Tue, 27 December 2016
5 696 Mon, 27 February 2017 13:00
By: Caffeine+
  Performance issue in oracle 10g database
WINDOW SERVER 2008
By: NIJ1611 on Thu, 23 February 2017
4 288 Thu, 23 February 2017 08:26
By: cookiemonster
  Query is taking longer duration
Oracle 11g 11.2.0.1.0
By: manoj12 on Fri, 10 February 2017
19 634 Wed, 22 February 2017 16:03
By: mikek
  BULK INSERT PERFORMANCE ON PROD
Oracle 12c, RHEL 6
By: jesuisantony on Sat, 14 May 2016
7 1015 Mon, 30 January 2017 13:00
By: forums.sqltop
  TOP_LEVEL_SQL_ID
Oracle 11.2.0.4, Windows 2008 Server
By: jesuisantony on Tue, 07 June 2016
8 1107 Fri, 27 January 2017 12:07
By: jesuisantony
  How long lock should be in order to take snapshot of locks
11.2.0.4, windows 2012 SE
By: juniordbanewbie on Tue, 24 January 2017
5 305 Wed, 25 January 2017 02:24
By: John Watson
  Identify index key entry by rowid
Oracle SE 11.2.0.4.0
By: michael_bialik on Tue, 17 January 2017
14 1000 Tue, 24 January 2017 04:51
By: Michel Cadot
  Tuning update query - for more than 3 billion rows
By: kurki on Fri, 20 January 2017
12 696 Mon, 23 January 2017 03:41
By: Roachcoach
  ora-01555 snapshot too old. Query executed 4000s
10g, 10.2.0.5, hp-unix
By: ashishkumarmahanta80 on Tue, 07 June 2016
4 762 Fri, 20 January 2017 10:58
By: Michel Cadot
  query Dead Slow
oRACLE EBS R12
By: annu-agi on Fri, 20 January 2017
9 574 Fri, 20 January 2017 10:37
By: Michel Cadot
  Avoiding the -ve execute to parse for MV refresh(highest parse calls total than execution totals)
Oracle 11
By: saipradyumn on Wed, 18 January 2017
11 555 Thu, 19 January 2017 03:37
By: saipradyumn
  SGA AND PGA TUNING
Oracle 11.2
By: arin.oradba on Thu, 05 January 2017
20 960 Fri, 13 January 2017 01:57
By: arin.oradba
  Need your help to optimize the Query
Oracle 10g and Windows 12
By: mahatab on Tue, 15 November 2016
8 896 Thu, 12 January 2017 10:53
By: skooman
  slow while inserting
10g
By: arifmd1705 on Sun, 08 January 2017
4 533 Mon, 09 January 2017 00:50
By: Michel Cadot
  db file sequential read causing Performance Issues
Oracle 12c
By: subbaiyan on Fri, 06 January 2017
11 538 Fri, 06 January 2017 07:47
By: BlackSwan
  Full table scan
Oracle 11g
By: samiran_cts on Tue, 19 July 2016
7 1069 Thu, 05 January 2017 04:21
By: Michel Cadot
  Union all tables with View and using the Index
Oracle 11g
By: preet_kumar on Fri, 23 December 2016
5 557 Tue, 03 January 2017 03:48
By: cookiemonster
  Identifying the parsing of the query (merged by MC)
Oracle 11g
By: saipradyumn on Tue, 27 December 2016
13 716 Thu, 29 December 2016 06:36
By: Michel Cadot
  Which index to choose local or global for attached scenario
10.2.0.3 db and AIX OS
By: oratech10 on Mon, 19 December 2016
24 1187 Tue, 20 December 2016 21:19
By: John Watson
  stale stats
Oracle 12c
By: srinivas.k2005 on Wed, 07 December 2016
18 955 Tue, 13 December 2016 03:44
By: srinivas.k2005
  Oracle Advance Queue consumes messages very slowly
Oracle 10g, HP-UX/ia64
By: panos9 on Wed, 07 December 2016
2 384 Wed, 07 December 2016 10:11
By: panos9
  query Dead Slow
11g, 11.2.0.3.0
By: annu-agi on Wed, 07 December 2016
2 369 Wed, 07 December 2016 09:06
By: John Watson
  ORA-01555 error during expdp
Oracle 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production, Windows Server 2008 R2
By: ashussain on Tue, 06 December 2016
4 567 Wed, 07 December 2016 06:44
By: Michel Cadot
  Materlized View
Oracle 11
By: meetmallela on Sat, 03 December 2016
5 912 Mon, 05 December 2016 02:59
By: cookiemonster
  In-database archival
Oracle 12C
By: srinivas.k2005 on Thu, 01 December 2016
2 339 Thu, 01 December 2016 05:11
By: srinivas.k2005
  java.sql.SQLTimeoutException: ORA-01013
Oracle 12c
By: ajamitjain129@gmail.com on Thu, 20 October 2016
8 897 Mon, 28 November 2016 17:24
By: ajamitjain129@gmail.com
  Query Tuning
Oracle 12c, Unix
By: pstanand on Sun, 27 November 2016
1 528 Mon, 28 November 2016 00:28
By: Michel Cadot
  DATABASE TUNING PRINCIPLE AND DATABASE TROUBLESHOOTING.
LINUX
By: osama.mansoor on Wed, 26 October 2016
7 761 Thu, 27 October 2016 03:05
By: Roachcoach
  Cursor Optimization
Oracle 11g
By: abhijeetkumar.patil@cogni on Tue, 18 October 2016
8 813 Mon, 24 October 2016 14:56
By: Kevin Meade
  Exceeding maxi,um number of cursors
11g r2, linux
By: qazims92 on Mon, 24 October 2016
7 598 Mon, 24 October 2016 06:04
By: Michel Cadot
  Slow Query Sql
Oracle 10g
By: rayrevan on Thu, 06 October 2016
14 954 Thu, 13 October 2016 03:47
By: cookiemonster
  Partitioning huge table
10g
By: arifmd1705 on Sun, 09 October 2016
8 747 Wed, 12 October 2016 02:42
By: gazzag
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