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The computing power of SQL for mass structured data is complete, that is to say, it is impossible to find anything that SQL cannot compute. But its support layer is too low, which can lead to over-elaborate operation in practical application.…
ContinueAdded by Jessica May on July 27, 2014 at 9:30pm — No Comments
Category: Model
OLAP is an important constituent part of BI(business intelligence).
Understood literally, OLAP is online analytical processing, that is, users conduct analytical operation on real-time business data.
But, currently the concept of OLAP is seriously narrowed, and only it refers to operations such as conducting drilling,…
ContinueAdded by Jessica May on May 27, 2014 at 8:00pm — No Comments
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