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IBM P2090-714 exam is a comprehensive test that requires a strong understanding of DB2 z/OS systems and related technologies. Successful candidates will have the skills and knowledge needed to manage complex databases and optimize performance for large-scale applications. IBM Information Management DB2 z/OS Performance Technical Mastery Test v1 certification can help professionals advance their careers and demonstrate their expertise to employers and clients.
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IBM P2090-714 exam, also known as the IBM Information Management DB2 z/OS Performance Technical Mastery Test v1, is intended for IT professionals who are responsible for managing the performance of IBM DB2 databases on z/OS systems. P2090-714 exam is designed to test the candidate's understanding and technical skills in monitoring, tuning, and troubleshooting DB2 performance issues.
IBM P2090-714 exam covers a wide range of topics related to IBM DB2 z/OS performance, including performance monitoring, tuning, and optimization. Candidates are required to demonstrate their understanding of the various tools and techniques used to identify and resolve performance issues in IBM DB2 z/OS systems. They must also be able to configure and manage IBM DB2 z/OS systems to achieve optimal performance levels.
IBM P2090-714 Exam Syllabus Topics:
| Section | Objectives |
|---|
| Topic 1: Query Performance and Optimization | - Access path selection
- 1. Index usage and matching predicates
- 2. Join strategies
- SQL tuning techniques
- 1. Query rewrite and optimization hints
- 2. EXPLAIN analysis
|
| Topic 2: System and Subsystem Performance | - I/O and logging performance
- 1. Log write optimization
- 2. Disk I/O considerations
- DB2 subsystem tuning
- 1. Buffer pool tuning strategies
- 2. IRLM tuning considerations
|
| Topic 3: DB2 for z/OS Performance Fundamentals | - Architecture impact on performance
- 1. Buffer pool management
- 2. EDM pool and memory structures
- Workload characteristics
- 1. Concurrency considerations
- 2. Transaction vs batch workload tuning
|
| Topic 4: Locking and Concurrency Control | - Deadlock and contention handling
- 1. Lock escalation
- 2. Deadlock detection and resolution
- Lock types and isolation levels
- 1. Row and page locking
- 2. Isolation levels (CS, RR, UR)
|
| Topic 5: Indexing and Statistics | - Index design
- 1. Composite indexes
- 2. Clustering indexes
- Statistics management
- 1. RUNSTATS utility
- 2. Cardinality and distribution statistics
|
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