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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 68852 Sat, 07 March 2015 12:25
By: Kevin Meade
  Performance worse for given workflow query
11i
By: nishant87 on Wed, 22 June 2016
16 336 Wed, 22 June 2016 09:48
By: John Watson
  How to make sure no archivelog being generated for a particular table
11.2.0.2 SE, windows 2008 r2
By: juniordbanewbie on Tue, 14 June 2016
10 290 Tue, 14 June 2016 09:37
By: Michel Cadot
  Is there a way to find out a killed session associated sql
11.2.0.2,SE windows 2008 r2
By: juniordbanewbie on Tue, 14 June 2016
6 237 Tue, 14 June 2016 06:11
By: juniordbanewbie
  TOP_LEVEL_SQL_ID
Oracle 11.2.0.4, Windows 2008 Server
By: jesuisantony on Tue, 07 June 2016
7 544 Sat, 11 June 2016 13:08
By: LNossov
  Performance degrade after migration from 11g exadata to 12c
12c Enterprise Edition Release 12.1.0.2.0 - 64bit Production
By: knw15pwr on Tue, 07 June 2016
2 218 Wed, 08 June 2016 14:42
By: knw15pwr
  ora-01555 snapshot too old. Query executed 4000s
10g, 10.2.0.5, hp-unix
By: ashishkumarmahanta80 on Tue, 07 June 2016
3 203 Tue, 07 June 2016 10:05
By: FDAVIDOV
  LEFT OUTER JOIN of Large Tables - Performance issue
ORACLE, 12.1.0.2.0, WINDOWS 10
By: anil_mk on Thu, 28 April 2016
8 482 Tue, 07 June 2016 08:15
By: Kevin Meade
  count(*) anomaly
DB 12.1.0.2, Windows 10
By: John Watson on Sat, 28 May 2016
5 299 Sat, 28 May 2016 12:24
By: John Watson
  BULK INSERT PERFORMANCE ON PROD
Oracle 12c, RHEL 6
By: jesuisantony on Sat, 14 May 2016
5 458 Thu, 19 May 2016 03:06
By: Roachcoach
  performance issue with oracle AQ while dequeueing the table
11.2.0.3 , 3 node-RAC, solaris 11
By: pavanintouch on Tue, 17 May 2016
1 232 Tue, 17 May 2016 03:20
By: Michel Cadot
  ORA-03137
11.1.0.6.0
By: AlinaC on Tue, 11 May 2010
17 44777 Thu, 12 May 2016 17:38
By: valdba
  SGA_MAX_SIZE and SGA_TARGET
Unix, ORacle 12C
By: ninan on Mon, 02 May 2016
16 560 Thu, 05 May 2016 11:09
By: Michel Cadot
  Cluster table access IO is unexpected
11.2.0.4
By: Roachcoach on Thu, 28 April 2016
3 285 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 5931 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
6 389 Fri, 15 April 2016 11:15
By: John Watson
  ASH data to identify CPU 100%
By: orausern on Fri, 15 April 2016
4 298 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
2 364 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
11 501 Sat, 09 April 2016 13:22
By: LNossov
  stale (local) index statistics on partitioned table
Oracle 12c
By: quirks on Wed, 06 April 2016
6 336 Wed, 06 April 2016 08:12
By: quirks
  Performance tuning
Oracle 11g
By: lappi on Wed, 30 March 2016
7 497 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
3 279 Tue, 29 March 2016 07:44
By: John Watson
  dynamic sql
oracle 11.2.0.3
By: pointers on Sat, 09 January 2016
6 848 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 2093 Tue, 22 March 2016 09:22
By: michael_bialik
  Long running Query
Windows, Oracle 11g
By: narendra_bagur on Fri, 11 March 2016
12 888 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
6 475 Sun, 20 March 2016 20:24
By: juniordbanewbie
  Tablespace and Partition
Oracle 12C
By: deepakdot on Thu, 17 March 2016
2 352 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
7 508 Mon, 14 March 2016 06:56
By: John Watson
  Query Optimization
Oracle SQL Devloper
By: Ranjeet29590 on Fri, 11 March 2016
4 654 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
9 504 Wed, 02 March 2016 03:17
By: Michel Cadot
  Select with Union Performance issue
Oracle 11g
By: emyk on Tue, 01 March 2016
3 447 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
22 680 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
8 972 Wed, 10 February 2016 00:30
By: Kevin Meade
  Oracle index creation
Oracle 10g
By: donep on Mon, 18 January 2016
13 9464 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 1147 Wed, 03 February 2016 20:57
By: Kevin Meade
  Sql Query Tuning
11.2
By: mnraju999 on Mon, 11 January 2016
4 724 Wed, 03 February 2016 20:23
By: Kevin Meade
  Oracle ROWID RANGE SCAN
AIX 6
By: sinida1984 on Wed, 20 January 2016
9 974 Wed, 03 February 2016 20:14
By: Kevin Meade
  Oracle SQL performance analysis
oracle 12c
By: gorants on Sun, 31 January 2016
2 524 Wed, 03 February 2016 20:04
By: Kevin Meade
  Tune query for Sum function
By: rohit_shinez on Wed, 03 February 2016
7 384 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
3 393 Mon, 25 January 2016 10:59
By: mats-larsson@iname.com
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