PPT Slide
Multiple relational database platform .
Multiple consistent database schema.
Data warehouse size in Tera bytes.
Typical User Base: < 10000
Transaction volume per day: 10000 * 10 = 1 million.
- Very difficult to refine data in different schema, and on different database platforms.
- Current Web technology can handle the transaction volume.
- Current database technology can barely handle the query volume (on moderate query complexity).