Oracle Performance Tuning

Module 1: Performance Tuning Methodology

• Oracle performance tuning lifecycle and methodology.
• Reactive vs proactive tuning approaches.
• Baseline performance measurement techniques.
• Performance symptom diagnosis workflow.

Module 2: AWR Reports Analysis Automatic Workload Repository generation and navigation. Key AWR sections: Top Timed Events, SQL Statistics, Wait Events. Load profile interpretation and segment statistics. AWR compare periods functionality.

Module 3: ADDM and SQL Tuning Advisor

• Automatic Database Diagnostic Monitor recommendations.
• Tuning Advisor execution and implementation priority.
• SQL Access Path Analysis and index recommendations.
• SQL Structure Analysis and statistics gathering.

Module 4: Statspack and ASH Reports

• Statspack setup, generation, and analysis procedures.
• Active Session History methodology and analysis.
• ASH Top SQL identification and drill-down.
• Real-time ASH analysis during performance issues.

Module 5: SQL Execution Plans

• EXPLAIN PLAN generation and display methods.
• Execution plan cost analysis and cardinality estimates.
• Join methods evaluation (Nested Loops, Hash Join, Merge Join).
• TKPROF utility for trace file analysis.

Module 6: Wait Events and Latency Analysis

• Top 10 Oracle wait events classification and resolution.
• V$SESSION_WAIT, V$SYSTEM_EVENT interpretation.
• Latch, enqueue, and buffer latch contention resolution.
• I/O wait event optimization strategies.

Module 7: Memory Structure Tuning

• SGA components optimization (Buffer Cache, Shared Pool).
• Automatic Shared Memory Management (ASMM) configuration.
• PGA tuning for sort/hash operations.
• Large Pool and Java Pool sizing guidelines.

Module 8: Index Tuning and Design

• B-tree vs Bitmap index selection criteria.
• Composite index design and column ordering.
• Index skip scan and range scan optimization.
• Function-based indexes and index monitoring.

Module 9: Table and Partition Tuning

• Table compression benefits and implementation.
• Partition pruning techniques and local indexes.
• Table statistics gathering frequency optimization.
• Global vs local partitioned indexes comparison.

Module 10: Bind Variables and Cursor Sharing

• Bind variable peeking and cursor sharing impact.
• Adaptive cursor sharing in Oracle 11g+.
• Literal replacement strategies and performance impact.
• SYS_CONTEXT usage for dynamic predicates.

Module 11: Parallel Execution Tuning

• Parallel execution architecture and degree selection.
• PX server processes and buffer management.
• Parallel query coordination and resource contention.
• Adaptive parallelism in Oracle 12c+.

Module 12: I/O and Storage Optimization

• Physical I/O optimization strategies.
• ASM performance features and striping benefits.
• Exadata Smart Scan and Storage Index utilization.
• Direct path reads and buffered I/O tuning.

Module 13: Application and Code Tuning

• PL/SQL optimization techniques and bulk operations.
• Inefficient SQL pattern identification.
• Top SQL by Elapsed Time, CPU Time, Buffer Gets.
• Application execution plan stability techniques.

Module 14: OS and Hardware Tuning

• CPU utilization analysis and process scheduling.
• Memory swapping and paging elimination.
• Disk I/O subsystem performance monitoring.
• Network latency impact on database performance.

Module 15: Proactive Tuning and Baselines

• Performance baseline creation and workload characterization.
• Seasonal workload pattern identification.
• Change impact analysis using AWR baselines.
• Capacity planning and growth projection modeling.

Experience in the Industry Gain knowledge from experts with practical Oracle Performance Tuning project experience in a variety of sectors.

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Clear & Effective Teaching Excellent communication and real-world examples simplify complex subjects.

Hands-On Learning Focus Students can apply their abilities in real-world situations with the use of case studies and real-time projects.

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