Oracle 11g SQL Plan Management

How To Improve SQL Statements Performance: Using SQL Plan Baselines

The performance of any Oracle database heavily relies on query execution(s). The reasons for any SQL statement’s execution plan changes could include a variety of actions, like gathering optimizer statistics (table, index, schema etc.)  changing optimizer parameters, schema definitions, adding indexes etc.  As experienced Oracle DBAs, we should be aware of the fact that the…

A Look at SQL Plan Management

The goal of SQL Plan Management is to provide a consistent execution plan regardless of changes made to the database environment. While consistency is great in the face of changes to an environment, it is important not to miss out when changes would improve the runtime execution. SQL Plan Management has three components that meet this goal.