Step-by-Step Oracle Performance Troubleshooting for Schema-Level Issues
1. Clarify the Problem Scope First establish what exactly is slow. Key questions: Useful checks: Example query: SELECT sql_id, sql_textFROM v$sqlWHERE parsing_schema_name = ‘SCHEMA_NAME’ORDER BY elapsed_time DESC; This helps identify top SQL consuming resources. 2. Check Current Database Activity Verify if the issue is currently happening. Key views: Example: SELECT sid, serial#, username, sql_id, event, […]