1. Designing the data warehouse / data marts Part 2

2. Creating the Physical Model Phase 4: Creating the Physical Model Translate the dimensional design to a physical model for implementation Define storage strategy for tables and indexes Perform database sizing Define initial indexing strategy Define partitioning strategy

3. Physical Model Design Tasks Define naming and database standards Perform database sizing Design tablespaces Develop initial indexing strategy Develop data partition strategy Define storage parameters

4. Data Staging Area The construction site for the warehouse Required by most implementations Composed of ODS, flat files, or relational server tables Frequently configured as multitier staging Extract Transform Operational system Transport (Load) Warehouse Data staging area

5. Remote Staging Model Data staging area within the warehouse environment Extract, transform, transport Transform Operational system Transport (Load) Data staging area Warehouse Warehouse environment Oper. envt. Data staging area in its own environment, avoiding negative impact on the warehouse environment Extract, transform, transport Transform Operational system Transport (Load) Data staging area Warehouse Staging envt. Oper. envt. Warehouse envt.

6. Onsite Staging Model Extract Transform Operational system Transport (Load) Data staging area Warehouse Operational environment WH envt. Data staging area within the operational environment, possibly affecting the operational system

7. Extracting Data Routines developed to select fields from source Various data formats Rules, audit trails, error correction facilities Transform Operationaldatabases Data staging area Warehousedatabase Browser: http:// Hollywood X + Customers: a recorof as X + Customers: Browser: http:// Hollywood Browser: http:// Hollywood X + Data mapping