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IBM COG-125 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| ETL Design and Implementation | 25% | - Error handling and recovery - Incremental and full loads - Extract, Transform, Load processes - Data quality and cleansing |
| Cognos 8 BI Data Warehouse Integration | 20% | - Optimizing warehouse for Cognos reporting - Query performance and indexing - Framework Manager and data source setup |
| Data Warehouse Concepts and Architecture | 20% | - Enterprise data warehouse architecture - Metadata and data lineage - Data warehouse vs operational database - OLAP vs OLTP principles |
| Deployment and Maintenance | 10% | - Monitoring and tuning - Backup and recovery strategies - Security and access control |
| Dimensional Data Modeling | 25% | - Fact and dimension tables - Star and snowflake schemas - Surrogate keys and hierarchies - Slowly Changing Dimensions (SCD) |
