Oracle SQL Plan Stability

Oracle SQL plan stability-related posts worth reading:

Posts by Oracle Optimizer group

• Maria Colgan – Manual SQL Plan Management and DBMS_SPM usage does not need Diagnostic/Tuning pack licenses
• SQL Plan Management (1/4) – Creating SQL Plan Baselines
• SQL Plan Management (2/4) – SPM Aware Optimizer
• SQL Plan Management (3/4) – Evolving SQL Plan Baselines
• SQL Plan Management (4/4) – User Interfaces and Other Features
• How do Adaptive Cursor Sharing and SQL Plan Management Interact?

SQL Plan Baselines

• Kerry Osborne – Oracle 11g SQL Plan Management, SQL Plan Baselines
• Jonathan Lewis – Manually creating “Fake Baselines“
• Kerry Osborne – Interaction Between Baselines and SQL Profiles
• Kerry Osborne – Why Isn’t Oracle Using My Outline/Profile/Baseline?
• Kerry Osborne – Displaying SQL Baseline Plans
• Kerry Osborne – SQL Gone Bad – But Plan Not Changed? – Part 1
• Kerry Osborne – SQL Gone Bad – But Plan Not Changed? – Part 2  

• Webinar Followup (Aug. 27): In Search of Plan Stability - Part 1

SQL Profiles

• Randolf Geist – Creating Stored Outlines and SQL Profiles from existing cursor
• Kerry Osborne – Creating Single Hint SQL Profiles
• Kerry Osborne – How to Attach a SQL Profile to a Different Statement 
•  How to Lock SQL Profiles Generated by SQL Tuning Advisor
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Finding and diagnosing problematic plans

• Kerry Osborne – Detect “unstable plans” with varying elapsed time per execution
• Kerry Osborne – Extracting a SQL with bind wars for rerunning the test case
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