Sep 03, 2015 Disable and Enable Auto task Job for 11g and 12c version in Oracle Automated database maintenance tasks is used by oracle to auto tune the SQL Queries, stale stats gather and space advisory. Some time this jobs change the execution plan and caused performance issue. Following jobs is configured default by Oracle: Automatic Optimizer Statistics. 'implementtuningtaskプロシージャ' sqlチューニング・アドバイザによる一連のsqlプロファイル・リコメンデーションを実装します。 interrupttuningtaskプロシージャ. 現在実行中のチューニング・タスクを中断します。 reportautotuningtaskファンクション.
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 you’ve added the index, a few things are evident:
Oracle Sql Tuning
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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.
Oracle Auto Sql Tuning Task Free
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.
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