Oracle 12c offers a useful utility called the SQL Tuning Advisor. You can use this built-in tool to provide suggestions or recommendations about certain SQL statements. Although it may not always give perfect advice, just like anything else, having it in your toolbox of tuning techniques is beneficial.
Now that youâve added the index, a few things are evident:
Jan 28, 2016 Developers and DBAs get help from Oracle experts on: SYSAUTOSQLTUNINGTASK-Is it possible if we want to gather table stats via 'SYSAUTOSQLTUNINGTASK' except. SYSAUTOSQLTUNINGTASK is the default name of the Automatic SQL Tuning task. You can use this query DBAADVISORLOG to check the execution time of the same. You can also use Enterprise Manager to manage the features regarding Automatic SQL Tuning. Automatic sql tuning advisor license, how to check if sql tuning advisor is enabled 12c, sql tuning advisor script, dbmssqltune, 10g sql tuning, drop sql tuning task, how to run sql tuning advisor in oem 13c, how to check sql tuning advisor, how to check if sql tuning advisor is enabled 12c, sql tuning advisor script, automatic maintenance - sql tuning advisor license, disable sql tuning. Feb 13, 2013 He team, I have a DB. 11.1.0.7 on Unix, And I have performance problem, In the alert log, I can see: End automatic SQL Tuning Advisor run for special tuning task 'SYSAUTOSQLTUNINGTASK' Wed Feb 13 23: Thread 1 cannot allocate new log, sequence 9303 Private strand flush not complete Current log# 2 seq# 9302 mem# 0: /fredoA/PROD101. Jul 27, 2015 Run the following query to view the last several times the Automatic SQL Tuning Advisor job has run: SELECT taskname, status, TOCHAR(executionend,'DD-MON-YY HH24:MI') FROM dbaadvisorexecutions WHERE taskname='SYSAUTOSQLTUNINGTASK' ORDER BY executionend desc; When you create a database in Oracle Database 11g or higher, Oracle.
Often one of the tough parts about tuning a database is having a solid understanding of the application and the data. The issue might not always be obvious. Sometimes engaging other application and data experts helps.
Explain to them your findings and what you propose. They may be able to help you come to a conclusion. Also, if the data is part of a packaged third-party application, sometimes opening a ticket with the vendor is the way to go.
Last updated on FEBRUARY 14, 2019
Applies to:Enterprise Manager for Oracle Database - Version 10.2.0.1 to 11.2.0.3 [Release 10.2 to 11.2]Information in this document applies to any platform. Run Sys_auto_sql_tuning_task DaySymptomsThe database alert log file shows:
Process 0x0x3f6bccc18 appears to be hung in Auto SQL Tuning task
When you try to use the OEM -> Advisor Central -> SQL Advisors -> Automatic SQL Tuning Results -> choose the last 7 days Then click on any of the links under Overal Task Statistics, ie., SQL Skipped Due to Errors, you get the following error:
java.sql.SQLException: ORA-13663: The task SYS_AUTO_SQL_TUNING_TASK contains no results for execution EXEC_3428.
ORA-06512: at 'SYS.WRI$_REPT_SQLT', line 420 ORA-06512: at 'SYS.DBMS_REPORT', line 706 ORA-06512: at 'SYS.DBMS_REPORT', line 729 ORA-06512: at line 6. ChangesCause
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