answer question Data Warehouse.

1. What Is a Data Warehouse?
2. Contrasting OLTP and Data Warehousing Environments
3. Developing routines used for the extraction, transformation, and loading (ETL) processes
4. Define Logical Versus Physical Design in Data Warehouses
5. Describe Basic Partitioning Strategies Used in Data Warehouses
6. Define Benefits of Indexes for Data Warehousing
7. When to Implement Parallel Execution
8. How Oracle Chooses to Use Star Transformation