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Duration 21 hours (3 days)
Course Outline
Introduction to SQL Tuning
- Overview of performance tuning objectives and strategic goals.
- Understanding the architecture of the Oracle Optimizer.
- Core tuning concepts: cost models, cardinality, and selectivity.
Interpreting Execution Plans
- Techniques for generating and decoding execution plans.
- Comparing EXPLAIN PLAN and DBMS_XPLAN for plan analysis.
- Recognizing common performance pitfalls within query plans.
Indexing Strategies
- Examining various index types and their impact on tuning.
- Best practices for creating and analyzing indexes to boost performance.
- Utilizing invisible and function-based indexes for targeted optimization.
Oracle Diagnostic Tools
- Utilizing the Automatic Workload Repository (AWR).
- Employing the Automatic Database Diagnostic Monitor (ADDM).
- Leveraging the SQL Tuning Advisor and SQL Access Advisor.
SQL Plan Management
- Establishing plan baselines and capturing optimal plans.
- Managing the evolution of execution plans.
- Implementing SQL plan directives for consistent performance.
Advanced SQL Tuning Techniques
- Understanding bind peeking and adaptive cursor sharing.
- Controlling execution paths using hints and profiles.
- Diagnosing and resolving complex, underperforming queries.
Practical Tuning Scenarios
- Analyzing and resolving real-world SQL performance issues.
- Executing step-by-step tuning exercises.
- Reviewing industry best practices and comprehensive tuning checklists.
Conclusion and Future Path
Requirements
- Solid working knowledge of Oracle SQL and PL/SQL.
- Prior experience working with Oracle Database in a developer or DBA capacity.
- Fundamental understanding of execution plans and indexing principles.
Target Audience
- Oracle database developers.
- Performance engineers.
- Database administrators.
Testimonials (1)
good explanation on each points and provide assignment for practices.