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Course Outline

Introduction to SQL Performance Optimization

  • Overview of performance optimization objectives and scope
  • Architecture of the Oracle Cost-Based Optimizer
  • Fundamental concepts: cost metrics, cardinality estimation, and selectivity

Analysis of Execution Plans

  • Methods for generating and interpreting execution plans
  • Comparison of EXPLAIN PLAN and DBMS_XPLAN utilities
  • Identification of common performance inefficiencies in plan operations

Indexing Approaches

  • Classification of index types and their impact on system performance
  • Procedures for creating and evaluating indexes to enhance efficiency
  • Implementation of invisible and function-based indexes for operational flexibility

Oracle Diagnostic and Tuning Utilities

  • Utilization of the Automatic Workload Repository (AWR)
  • Application of the Automatic Database Diagnostic Monitor (ADDM)
  • Deployment of SQL Tuning Advisor and SQL Access Advisor for optimization guidance

Management of SQL Execution Plans

  • Creation and maintenance of plan baselines
  • Oversight of plan evolution and regression detection
  • Application of SQL plan directives for dynamic optimization

Advanced Optimization Methodologies

  • Mechanisms of bind variable peeking and adaptive cursor sharing
  • Strategic use of optimizer hints and profiles to direct execution paths
  • Diagnosis and resolution of complex query performance issues

Practical Optimization Exercises

  • Evaluation of operational SQL challenges
  • Guided optimization procedures and simulations
  • Establishment of best practices and standard tuning protocols for government systems

Conclusion and Strategic Follow-Up Actions

Requirements

  • Proficiency in Oracle SQL and PL/SQL programming languages
  • Practical experience serving as a developer or database administrator for Oracle systems
  • Foundational knowledge of execution plans and indexing methodologies

Audience

  • Developers specializing in Oracle database applications
  • Performance engineering specialists focused on optimizing system resources for government operations
  • Database administrators responsible for maintaining infrastructure integrity and security
 21 Hours

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