OLAP versus RDBMS
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Explain what one can do with an OLAP application that cannot be done with the same data in a spreadsheet or a relational database. Give two examples.
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Solution Summary
OLAP and RDBMS are compared.
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Studies show that the Multidimensional database (OLAP):
- Uses almost half the disk space of what Relational database requires for the same task,
- Retrieves data between 8 and 200 times faster, and
- Calculates the derived data at least 2 orders of magnitude faster than Relational.
It is also seen that, when the best relational alternative was used, the generation and ...
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