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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 68022 Sat, 07 March 2015 12:25
By: Kevin Meade
  SGA_MAX_SIZE and SGA_TARGET
Unix, ORacle 12C
By: ninan on Mon, 02 May 2016
7 171 Mon, 02 May 2016 14:35
By: John Watson
  LEFT OUTER JOIN of Large Tables - Performance issue
ORACLE, 12.1.0.2.0, WINDOWS 10
By: anil_mk on Thu, 28 April 2016
7 256 Fri, 29 April 2016 05:34
By: flyboy
  Cluster table access IO is unexpected
11.2.0.4
By: Roachcoach on Thu, 28 April 2016
3 213 Fri, 29 April 2016 02:32
By: Roachcoach
  Performance Issue after upgrade to 11.2.0.4
Oracle Database, 11.2.0.4, RHEL 6.7 x64
By: sadiq106 on Fri, 15 April 2016
7 2863 Sun, 17 April 2016 04:13
By: John Watson
  What Is The Correct Formula For Buffer Cache Hit Ratio
11.2.0.4 SE, Redhat 7.1
By: juniordbanewbie on Fri, 15 April 2016
6 291 Fri, 15 April 2016 11:15
By: John Watson
  ASH data to identify CPU 100%
By: orausern on Fri, 15 April 2016
4 215 Fri, 15 April 2016 05:46
By: orausern
  Taking more time to Drop interval Partitions
Oracle Enterprise,11.2.0.4,Solaris
By: eswararaodba@gmail.com on Sun, 10 April 2016
2 249 Sun, 10 April 2016 08:04
By: John Watson
  How to calculate Index creation time
Oracle 11gr2 Linux
By: hitesh.bhatt on Wed, 06 April 2016
11 374 Sat, 09 April 2016 13:22
By: LNossov
  stale (local) index statistics on partitioned table
Oracle 12c
By: quirks on Wed, 06 April 2016
6 249 Wed, 06 April 2016 08:12
By: quirks
  Performance tuning
Oracle 11g
By: lappi on Wed, 30 March 2016
7 402 Thu, 31 March 2016 04:20
By: pablolee
  Clustering Factor for LOB Index_Type is NULL
Oracle 11gr2 RHEL
By: hitesh.bhatt on Tue, 29 March 2016
3 224 Tue, 29 March 2016 07:44
By: John Watson
  dynamic sql
oracle 11.2.0.3
By: pointers on Sat, 09 January 2016
6 768 Tue, 22 March 2016 09:31
By: BlackSwan
icon12.gif improve sql performance (long sql here)
11g
By: marzbuzz on Thu, 10 March 2016
27 1989 Tue, 22 March 2016 09:22
By: michael_bialik
  Long running Query
Windows, Oracle 11g
By: narendra_bagur on Fri, 11 March 2016
12 787 Tue, 22 March 2016 03:45
By: Michel Cadot
  Why din table fetch continued row increase after fetching every columns
12.1.0.2.0 SLES SP3
By: juniordbanewbie on Fri, 18 March 2016
6 400 Sun, 20 March 2016 20:24
By: juniordbanewbie
  Tablespace and Partition
Oracle 12C
By: deepakdot on Thu, 17 March 2016
2 298 Thu, 17 March 2016 04:56
By: deepakdot
  How to deal with 'Free buffer waits' event
Oracle 11g R2 , Linux 64bit
By: kangfei on Sun, 13 March 2016
7 446 Mon, 14 March 2016 06:56
By: John Watson
  Query Optimization
Oracle SQL Devloper
By: Ranjeet29590 on Fri, 11 March 2016
4 580 Sun, 13 March 2016 11:15
By: garan
  Size of SYSAUX is getting bigger
Oracle 10g R2 10.2.0.4
By: snehalgandhi on Wed, 02 March 2016
9 409 Wed, 02 March 2016 03:17
By: Michel Cadot
  Select with Union Performance issue
Oracle 11g
By: emyk on Tue, 01 March 2016
3 393 Wed, 02 March 2016 02:59
By: cookiemonster
  Performance issue enq: TX index contention
Linux, Oracle 11g RAC
By: ninan on Tue, 23 February 2016
22 600 Tue, 23 February 2016 10:03
By: John Watson
  Please help for Improving the Explain plan
Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
By: msol25 on Tue, 08 December 2015
8 904 Wed, 10 February 2016 00:30
By: Kevin Meade
  Oracle index creation
Oracle 10g
By: donep on Mon, 18 January 2016
13 9400 Wed, 10 February 2016 00:26
By: Kevin Meade
  Please help for Improving Query Performance
Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
By: msol25 on Tue, 15 December 2015
31 1016 Wed, 03 February 2016 20:57
By: Kevin Meade
  Sql Query Tuning
11.2
By: mnraju999 on Mon, 11 January 2016
4 637 Wed, 03 February 2016 20:23
By: Kevin Meade
  Oracle ROWID RANGE SCAN
AIX 6
By: sinida1984 on Wed, 20 January 2016
9 914 Wed, 03 February 2016 20:14
By: Kevin Meade
  Oracle SQL performance analysis
oracle 12c
By: gorants on Sun, 31 January 2016
2 426 Wed, 03 February 2016 20:04
By: Kevin Meade
  Tune query for Sum function
By: rohit_shinez on Wed, 03 February 2016
7 337 Wed, 03 February 2016 19:48
By: Kevin Meade
  Wich index is used. Confusion in SQL-trace
Oracle 12.1.0.2.0
By: mats-larsson@iname.com on Mon, 25 January 2016
3 333 Mon, 25 January 2016 10:59
By: mats-larsson@iname.com
  Application slow down
Database 11.2.0.3.0
By: samiyabulushi on Sun, 24 January 2016
2 396 Sun, 24 January 2016 03:10
By: samiyabulushi
  Understanding oracle sql explain plan
12c
By: gorants on Mon, 18 January 2016
1 345 Mon, 18 January 2016 14:02
By: Michel Cadot
  Parallel Server for Dummies Checklist
By: WolfBrother on Wed, 06 January 2016
2 357 Thu, 07 January 2016 01:08
By: John Watson
  Insert from Select - Performance Issue
Oracle 11 g
By: ram50958 on Thu, 20 August 2015
8 958 Tue, 05 January 2016 23:36
By: garan
  Materialized View
Oracle 11g-Windows
By: arunOracle on Thu, 31 December 2015
4 510 Fri, 01 January 2016 11:42
By: John Watson
  use_concat hint
DB12.1.0.2
By: John Watson on Wed, 23 December 2015
3 597 Thu, 24 December 2015 04:22
By: Alien
  Database slowness and high load due to IO Latencies?
Oracle 11.2.0.4 on Linux
By: orausern on Thu, 10 December 2015
9 851 Tue, 15 December 2015 04:12
By: Roachcoach
  PLAN_TABLE_OUTPUT
Oracle 11g
By: thiruvari on Thu, 10 December 2015
12 813 Thu, 10 December 2015 10:49
By: cookiemonster
  Export from table vs external table
Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
By: mokarem on Mon, 07 December 2015
9 591 Tue, 08 December 2015 04:52
By: Michel Cadot
  MULTI TABLE INSERT USING BULK COLLECT
Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
By: ramanaapps on Mon, 07 December 2015
8 463 Mon, 07 December 2015 05:40
By: Michel Cadot
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