Explain about aggregations?
Submitted by: AdministratorOLAP can process complex queries and give the output in less than 0.1 seconds, for it to achieve such a performance OLAP uses aggregations. Aggregations are built by aggregating and changing the data along the dimensions. Possible combination of aggregations can be determined by the combination possibilities of dimension granularities.
Submitted by: Administrator
Submitted by: Administrator
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