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 Duration 21 hours

Course Outline

Introduction to SQL Tuning

  • Overview of performance tuning objectives
  • Architecture of the Oracle Optimizer
  • Essential tuning principles: cost, cardinality, and selectivity

Analyzing Execution Plans

  • How to generate and interpret execution plans
  • Comparing EXPLAIN PLAN and DBMS_XPLAN
  • Identifying frequent performance issues in plans

Indexing Strategies

  • Different index types and their impact on tuning
  • Creating and evaluating indexes for optimal performance
  • Utilizing 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

  • Working with plan baselines and plan capture
  • Managing plan evolution processes
  • Applying SQL plan directives

Advanced SQL Tuning Techniques

  • Addressing bind peeking and adaptive cursor sharing
  • Controlling execution via hints and profiles
  • Troubleshooting and optimizing complex queries

Hands-On Tuning Scenarios

  • Examining practical SQL challenges
  • Detailed tuning exercises
  • Industry best practices and tuning checklists

Summary and Next Steps

Requirements

  • A solid grasp of Oracle SQL and PL/SQL
  • Practical experience working with Oracle Database as a developer or DBA
  • Foundational knowledge of execution plans and indexing concepts

Audience

  • Oracle database developers
  • Performance engineers
  • Database administrators

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