OLAP cube is an abstract representation of a _______of an _____relation

Options
- projection, ORDBMS
- projection, RDBMS
- Selection, RDBMS
- Selection, ORDBMS

CORRECT ANSWER : projection, RDBMS

Discussion Board
OLAP Cube

OLAP cube is an abstract representation of a projection of an RDBMS relation. OLAP cube consists of numeric facts called measures which are categorized by dimensions. OLAP cubes can be thought of as extensions to the two-dimensional array of a spreadsheet.

Prajakta Pandit 03-20-2017 01:25 AM

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