To Provide Better Performance,some OLAP Systems Merge the Data Warehouse

question 78

True/False

To provide better performance,some OLAP systems merge the data warehouse and data mart approaches by storing small extracts of the data warehouse at end-user workstations.

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Definitions:

Sudoku

A puzzle game consisting of a 9x9 grid divided into nine 3x3 squares, where the player must fill the grid so each row, column, and square contains all digits from 1 to 9.

Generate-and-test

A problem-solving strategy that involves coming up with potential solutions and checking them to see if they solve the problem.

Working Backward

A problem-solving strategy that starts with the solution and works backward through the problem to figure out how to arrive at the solution.

Backtracking

A problem-solving technique that involves progressively checking and abandoning partial solutions until the right solution is found.