SAS ® Scalable Performance Data Server ® : Star Schema Support
نویسنده
چکیده
The release of SAS Scalable Performance Data Server 4.4 included SQL planner and execution optimizations for star schemas. This paper will cover important areas relevant to the SAS Scalable Performance Data Server star schema support: 1. basic concepts behind the star schema 2. overview of customer needs for star schemas 3. how the query is rewritten to enhance performance 4. limitation of the star schema support 5. performance matrix comparing different execution methods to star schema 6. Configuration and limitation
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