Oracle performance - DBA

Analyze ADDM (Automatic Database Diagnostic Monitor), ASH (Active Session History), and Statspack reports, as well as log and trace files, to identify performance issues and trends.

• Utilize SQL Performance Analyzer and Database Replay for impact assessment of database changes.

• Identify and address poorly performing SQL statements through thorough analysis and optimization techniques.

• Interpret execution plans and utilize SQL Trace for the diagnosis of SQL statement performance.

• Monitor adaptive/dynamic execution plans and automatic reoptimization strategies for ongoing performance improvements.

• Utilize Optimizer Statistics Advisor and SQL Access/Tuning advisors for comprehensive SQL statement optimization.

• Implement SQL Plan Management to ensure stable and efficient SQL execution plans.

• Perform index analysis and implement best practices to optimize database indexing.

• Proactively manage optimizer statistics and configure parameters to ensure accurate and efficient query execution plans. • Manage Shared Pool and Result Cache for optimal memory utilization.