Tutorial: Oracle DBA guide to data warehousing and star schemas

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Oracle DBA guide to data warehousing and star schemas

The Prentice Hall PTR Oracle Series About Prentice Hall Professional Technical Reference Acknowledgments Introduction Purpose Audience Chapter 1. What Is a Data Warehouse? The Nature of the Beast Data Warehouse vs. Big Database Operational Data Stores Don't Count Executive Information Systems Don't Count Warehouses Evolve without Phases The Warehouse Roller Coaster Chapter 2. Software Architecture Business Intelligence Options Oracle Version Options Oracle Instance Options?Querying Oracle Instance Options?Loading Recommended Oracle Architecture Great Operating System Debate The Great Programming Language Debate The Serial vs. Parallel Programming Debate Chapter 3. Hardware Architecture Four Basic Questions How Many CPUs? How Much Memory? How Many of What Disks? Recommended Hardware Architecture The Great Vendor Debate The 32- vs. 64-Bit Oracle Debate The Raw vs. Cooked Files Debate The Need for Logical Volume Managers Chapter 4. Star Schema Universe The Rationale for Stars Star Schema Challenges Modeling Star Schemas Avoid Snowflakes Dimensional Hierarchies Querying Star Schemas Fact Table Options When Stars Implode Chapter 5. Tuning Ad-Hoc Queries Key Tuning Requirements Star Optimization Evolution Star Transformation Questions Initialization Parameters Star Schema Index Design Cost-Based Optimizer Some Parting Thoughts Chapter 6. Loading the Warehouse What About ETL Tools? Loading Architecture Upstream Source Data Transformation Requirements Method 1: Transform, Then Load Method 2: Load, Then Transform Deploying the Loading Architecture Chapter 7. Implementing Aggregates What Aggregates to Build? Loading Architecture Aggregation by Itself Use Materialized Views Chapter 8. Partitioning for Manageability A Plethora of Design Options Logical Partitioning Design Simple Partitioning in 8i Simple Partitioning in 9i Complex Partitioning in 8i Complex Partitioning in 9i Partition Option Benchmarks Chapter 9. Operational Issues and More Backup and Recovery Space Management Extent Management Updates and Patches