Data Warehouse Manager Question:
Explain what is dimensional modeling?
Answer:
Dimensional model consists of dimension and fact tables. Fact tables store different transactional measurements and the foreign keys from dimension tables that qualifies the data. The goal of Dimensional model is not to achieve high degree of normalization but to facilitate easy and faster data retrieval.
Ralph Kimball is one of the strongest proponents of this very popular data modeling technique which is often used in many enterprise level data warehouses.
Ralph Kimball is one of the strongest proponents of this very popular data modeling technique which is often used in many enterprise level data warehouses.
| Previous Question | Next Question |
| Tell me what are Aggregate tables? | Explain me what are the key columns in Fact and dimension tables? |