Data Warehousing and Data Mining20755 marksEfficient method for data cube computation
Describe the significances of pre-computation of data cube.
Describe the significances of pre-computation of data cube. [5]
Data cube computation is an essential task in data warehouse implementation. Pre-computation refers to computing all or part of a data cube in advance (offline), so that query results can be retrieved quickly during online analytical processing (OLAP) rather than being computed on-the-fly. --- Pr...