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 Duration 21 hours

Course Outline

Introduction to SQL Tuning

  • Overview of performance tuning objectives
  • Oracle Optimizer architecture fundamentals
  • Core tuning concepts: cost, cardinality, and selectivity

Interpreting Execution Plans

  • Creating and analyzing execution plans
  • Comparison of EXPLAIN PLAN and DBMS_XPLAN
  • Identifying common performance issues within plans

Indexing Strategies

  • Different index types and their impact on tuning
  • Designing and assessing indexes for optimal performance
  • Leveraging 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

  • Establishing plan baselines and capturing plans
  • Managing plan evolution processes
  • Implementing SQL plan directives

Advanced SQL Tuning Techniques

  • Addressing bind peeking and adaptive cursor sharing
  • Controlling execution through hints and profiles
  • Diagnosing and correcting complex query issues

Practical Tuning Scenarios

  • Analysis of real-world SQL challenges
  • Detailed tuning exercises
  • Industry best practices and tuning checklists

Conclusion and Further Guidance

Requirements

  • Solid understanding of Oracle SQL and PL/SQL
  • Professional experience with Oracle Database as a developer or DBA
  • Basic knowledge of execution plans and indexing principles

Target Audience

  • Oracle database developers
  • Performance engineers
  • Database administrators

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