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Topic	Replies	Views	Last message
sticky: Performances and tuning By: Michel Cadot on Fri, 22 June 2007	10	37093	Wed, 11 August 2021 08:31 By: Michel Cadot
Sql having performance issue 19c By: nishant87 on Sun, 27 November 2022	6	3462	Mon, 28 November 2022 12:28 By: John Watson
Why is my index used? oracle 19c Linux By: Andrey_R on Sun, 23 October 2022	4	13019	Sat, 29 October 2022 10:51 By: John Watson
Understanding UNDO 11g Oracle RDBMS 11G, Windows Server 2019 By: esirenko on Thu, 27 October 2022	1	8703	Thu, 27 October 2022 05:48 By: John Watson
gather statistics on partition table Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 By: wtolentino on Wed, 19 October 2022	2	7515	Fri, 21 October 2022 04:49 By: wtolentino
Sql behaving badly after upgrade (merged) 19c By: nishant1987 on Tue, 18 October 2022	5	5819	Tue, 18 October 2022 11:07 By: nishant1987
any option for this query 10g By: rnemkul on Thu, 28 July 2022	1	14641	Fri, 29 July 2022 00:25 By: Michel Cadot
Time metrics in V$SQL don't add up Oracle 19c SE2 By: Andrey_R on Wed, 20 July 2022	7	9420	Sat, 23 July 2022 07:52 By: Andrey_R
Percentage of CPU utilization per instance Oracle 11g, 12c By: db_senior on Thu, 05 August 2021	5	20500	Sat, 23 July 2022 07:14 By: Andrey_R
query tunning oracle10g By: arun888 on Wed, 11 May 2022	11	25013	Tue, 24 May 2022 06:26 By: John Watson
excessive parsing ? DB SE2 19.3.0.0.0 By: John Watson on Fri, 13 May 2022	2	15678	Sun, 15 May 2022 05:33 By: John Watson
Re-Partitioning 19C By: deepakdot on Mon, 02 May 2022	2	15241	Wed, 04 May 2022 02:06 By: deepakdot
Correlated subquery iteration DB 19.3 (unpatched) By: John Watson on Fri, 18 February 2022	3	11752	Sat, 19 February 2022 05:46 By: Michel Cadot
Long running queries Oracle, 18.0.0.0.0, Linux By: BalajiDBA on Mon, 04 October 2021	19	24182	Thu, 07 October 2021 23:14 By: BalajiDBA
Slow Archive Apply in Physical Standby Oracle EE 12.2 , Linux 7 By: Akmmhto on Tue, 07 September 2021	5	17206	Thu, 09 September 2021 02:44 By: John Watson
The predicate prevents the optimizer from using indices efficiently 12.2 By: lisyloo12 on Fri, 23 July 2021	1	11807	Fri, 23 July 2021 13:04 By: John Watson
SQL Access Advisor from SQL*Plus Oracle 11g, 12c By: db_senior on Sat, 03 July 2021	8	17124	Mon, 05 July 2021 12:35 By: db_senior
Function blocking itself Oracle, 12.1.0.2, Windows By: patdev on Wed, 09 June 2021	1	8597	Wed, 09 June 2021 10:28 By: Michel Cadot
Query running slow 19c By: JackBauer on Wed, 31 March 2021	13	23020	Tue, 13 April 2021 05:17 By: JackBauer
Cannot index temp table after inserting rows Linux\Oracle Database 12c Enterprise Edition Release 12.1.0.2.0 - 64bit Production By: Andrey_R on Wed, 03 March 2021	2	9688	Wed, 03 March 2021 03:42 By: Andrey_R
SQL ID changes Plan hash value 12c R1 By: JackBauer on Tue, 16 February 2021	5	14276	Fri, 26 February 2021 08:45 By: BlackSwan
I/O performance problem 12c R1 By: JackBauer on Thu, 11 February 2021	2	9277	Fri, 12 February 2021 06:20 By: JackBauer
Program is slower with Oracle12C compared to Oracle 11G Oracle Database 12c Enterprise Edition Release 12.1.0.2.0 - 64bit Production By: LiorI on Wed, 13 January 2021	3	15698	Fri, 12 February 2021 06:15 By: Andrey_R
TKPROF showing wrong totals for non-recursive statements Oracle 12.1.0.2.0 By: Andrey_R on Thu, 11 February 2021	0	6765	Thu, 11 February 2021 06:19 By: Andrey_R
ORA-12705: Cannot access NLS data files or invalid environment specified with jmeter test Oracle Database 19.7, jmeter 5.3 By: estonolose on Tue, 01 December 2020	1	10977	Tue, 01 December 2020 21:27 By: BlackSwan
SQL_Text on SQL Profile Oracle Database 12c Enterprise Edition Release 12.2.0.1.0 By: wtolentino on Thu, 17 October 2019	2	17947	Sun, 22 November 2020 12:56 By: LNossov
DBMS_SQLTUNE.REPORT_SQL_DETAIL: html report issue Oracle Database 12c Enterprise Edition Release 12.1.0.2.0 - 64bit Production By: piripicchio on Thu, 15 October 2020	0	8442	Thu, 15 October 2020 09:08 By: piripicchio
Application Performance Issue Oracle 11g,Linux 6 By: BalajiDBA on Sat, 10 October 2020	2	9068	Sat, 10 October 2020 03:18 By: Michel Cadot
Bitmap join index DB19.3 By: John Watson on Thu, 08 October 2020	0	7090	Thu, 08 October 2020 04:17 By: John Watson
Scalar subquery merging DB 19.x By: John Watson on Tue, 29 September 2020	3	9475	Tue, 29 September 2020 13:43 By: Michel Cadot
Different SQL ID for same SQL/HASH_VALUE 10.2.0.3, Solaris 5.9 By: suddhasatwa_bhaumik on Fri, 02 November 2012	11	45778	Mon, 28 September 2020 01:45 By: amujawane
Physical read IO requests higher than total 12.2, Linux 64 By: pallen38 on Tue, 22 September 2020	6	10914	Tue, 22 September 2020 14:56 By: pallen38
New to tuning 12c By: mdarifdxb20 on Sun, 09 August 2020	1	10236	Sun, 09 August 2020 05:19 By: Michel Cadot
DBMS_AUTO_SQLTUNE CentOS 6.2 64-bit, Oracle11gR2 11.2.0.3.0 By: debrucer2 on Mon, 05 November 2012	3	23169	Sat, 04 July 2020 04:09 By: Jack Almond
Find Locking History Oracle 11.2.0.4.0 enterprise, CentOS 7.2 By: weekend79 on Wed, 08 April 2020	6	18889	Wed, 08 April 2020 04:06 By: weekend79
Increase page loading speed By: mike05 on Thu, 05 March 2020	4	17048	Thu, 05 March 2020 10:23 By: Michel Cadot
Oracle & Sybase on same host RDBMS 12.2..0.1 on linux with sybase 15.5 By: evoradba on Wed, 12 February 2020	3	13335	Fri, 14 February 2020 12:17 By: evoradba
Database performance tuning Oracle 11g,Linux 6 By: BalajiDBA on Sun, 09 February 2020	3	12196	Sun, 09 February 2020 09:04 By: BalajiDBA
Select query too slow 11.2.04 Windows 2012 By: rajesh_b on Tue, 10 December 2019	16	25486	Tue, 28 January 2020 10:57 By: Michel Cadot
sqlID time for every Sql id execution RDBMS 12.2..0.1 on linux By: evoradba on Fri, 24 January 2020	2	12177	Sat, 25 January 2020 02:07 By: John Watson