000-912 Exam Dumps
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| Certification Provider: | IBM |
|---|---|
| Exam Code / Number: | 000-912 |
| Exam Name: | PERFORMANCE TUNING: INFORMIX DYNAMIC SERVER V7 |
| Exam Questions: | 100 |
| Corresponding Certification: | IBM Specialist |
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IBM 000-912 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Concurrency and Transaction Tuning | 12% | - Lock management and contention resolution - Transaction logging and buffer tuning |
| Performance Tuning Fundamentals | 15% | - System architecture and resource utilization - Workload characterization (OLTP vs DSS) - Performance monitoring and measurement tools |
| Query Optimization | 25% | - Index design and selection - SET EXPLAIN and execution plan analysis - Cost-based optimizer behavior - PDQ (Parallel Database Query) settings |
| ONCONFIG Parameter Tuning | 8% | - Key configuration parameters - Parameter impact on server performance |
| Shared Memory Tuning | 20% | - Memory usage for sessions and transactions - Buffer pool configuration (BUFFERS, LRU queues) - Virtual segment and memory allocation |
| I/O and Disk Configuration | 20% | - Checkpoint and I/O manager tuning - Dbspace and chunk layout - Table and index fragmentation |