Tag: sql server

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23 Business Intelligence Tips

You can improve OLAP performance when you set a cube’s aggregation level. When you build a cube, you set the aggregation level according to the desired speedup in processing queries. (Speedup describes how much faster queries run with precreated aggregations than without aggregations.) The system es

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A DTS Data Store

(Bruce Szabo) Data Transformation Services (DTS) is extremely useful in solving a number of problems.In some cases I have used it to solve data problems and in other cases I have used it to solve some tasks that have nothing to do with SQL. One difficulty I found with DTS was managing the different

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Ownership Chains in Yukon

(Amol Kulkarni) When multiple database objects access each other sequentially, the sequence is known as a “chain.” Although such chains have no independent existence, when SQL Server is traversing the links in a chain, it evaluates user permissions on the constituent objects differently than it woul