[OCM 12C] Managing SQL Plan Baselines

“SQL plan management is a preventative mechanism that enables the optimizer to automatically manage execution plans, ensuring that the database uses only known or verified plans.” SPM has three main components: • Plan Capture: OPTIMIZER_CAPTURE_SQL_PLAN_BASELINES = TRUE (Automatic Initial Plan Capture), OPTIMIZER_USE_SQL_PLAN_BASELINE=TRUE • Plan Selection • Plan Verification/Evolution dba_sql_plan_baselines DBA_SQL_PLAN_BASELINE Database Administration -> Database SQL Tuning Guide -> 23 Managing SQL Plan Baselines brunors*The views expressed here are my own and do not represent those of my employer.* Hello, I’m Bruno — a dual citizen of Brazil and Sweden. I…