Tag Archives: optimizer hints

How to use Optimizer hints

What is Optimizer? When a query is submitted in Oracle server. optimizer attempts to generate the best execution plan for a SQL statement. The best execution plan is defined as the plan with the lowest cost among all considered candidate plans. The cost computation accounts for factors of query execution such as I/O, CPU, and communication. The best method of execution depends on myriad conditions … Continue reading How to use Optimizer hints »