Question

What is an MDDB, and how does it store data?

a.

Multidimensional Database Definition; a schema for defining multidimensional databases

b.

Master Data Database; a database for storing nontransactional data entities

c.

Multidimensional Database; a proprietary database storing multidimensional data cubes using multidimensional arrays

d.

Metadata Database; a database storing information about the data itself

Posted under Data Warehousing and OLAP

Answer: (c).Multidimensional Database; a proprietary database storing multidimensional data cubes using multidimensional arrays Explanation:MDDB stands for Multidimensional Database, and it is a proprietary database meant to store multidimensional data cubes. MDDBs use multidimensional arrays to store data.

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