Robin Moffatt • 6/28/2011

Oracle 11g - How to force a sql_id to use a plan_hash_value using SQL Baselines

This technical article addresses a common Oracle performance issue where a query suddenly degrades. It details the diagnostic process using SQL Monitor and AWR, then provides a step-by-step tutorial on using SQL Tuning Sets and SQL Plan Baselines to force a known-good execution plan (plan_hash_value) for a specific sql_id, complete with code examples.

0 comments

#oracle #performance tuning #SQL Plan Baseline