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Multidimensional databases different from relational

Assignment Help Basic Computer Science
Reference no: EM131178612

Three things to consider, then research and post (please only do ONE and only ONE aspect of that ( in depth quality is better than vague overview of everything):

1. How are a data warehouse and a data mart related?

2. Why must data be "transformed" by the ETL process before loading them in the data warehouse?

3. How are multidimensional databases different from relational databases?

Reference no: EM131178612

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Multidimensional databases different from relational : 1. How are a data warehouse and a data mart related? 2. Why must data be "transformed" by the ETL process before loading them in the data warehouse? 3. How are multidimensional databases different from relational databases?
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