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Course Outline

Introduction to SQL Tuning

  • Overview of performance tuning and its objectives.
  • Insight into Oracle Optimiser architecture.
  • Core tuning concepts: cost, cardinality, and selectivity.

Understanding Execution Plans

  • Generating and interpreting execution plans.
  • Comparing EXPLAIN PLAN with DBMS_XPLAN.
  • Identifying common performance pitfalls within plans.

Indexing Strategies

  • Different index types and their implications for tuning.
  • Creating and analysing indexes for optimal performance.
  • Employing invisible and function-based indexes.

Oracle Tuning Tools

  • Automatic Workload Repository (AWR).
  • Automatic Database Diagnostic Monitor (ADDM).
  • SQL Tuning Advisor and SQL Access Advisor.

SQL Plan Management

  • Plan baselines and capturing plans.
  • Managing plan evolutions.
  • Utilising SQL plan directives.

Advanced SQL Tuning Techniques

  • Bind peeking and adaptive cursor sharing.
  • Using hints and profiles to control execution.
  • Diagnosing and resolving complex queries.

Hands-On Tuning Scenarios

  • Analysing real-world SQL problems.
  • Step-by-step tuning exercises.
  • Best practices and tuning checklists.

Summary and Next Steps

Requirements

  • A solid understanding of Oracle SQL and PL/SQL.
  • Practical experience working with Oracle Database as either a developer or DBA.
  • Fundamental familiarity with execution plans and indexing concepts.

Audience

  • Oracle database developers.
  • Performance engineers.
  • Database administrators.
 21 Hours

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