SQL Server: Are temp tables or unions better?
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by Jonathan Allen
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Published on 2010-04-14T07:33:31Z
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Generally speaking, for combining a lot of data is it better to use a temp table/temp variable as a staging area or should I just stick to "UNION ALL"?
Assumptions:
- No further processing is needed, the results are sent directly to the client.
- The client waits for the complete recordset, so streaming results isn't necessary.
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