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Results tagged with big-data
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user 126402
6
votes
Accepted
How is one or more aggregate function implemented in most SQL engines?
I believe most of the "modern" RDBMS implementations are based on the Cascades optimization framework.
I shall talk about how Microsoft SQL Server handles this, as that is the DBMS with which I am m …
- 336
0
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Is hadoop designed only for "simple" data processing jobs, where communications between the ...
The canonical use for Hadoop processes as a tree. The initial query range is split into sub-ranges. The query for each sub-range is sent to the node which stores the data for that sub-range. The jo …
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