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minimum query memory

Posted on 2001-06-28
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Could someone tell me what minimum query memory is, and how it relates to SQL 2000.  (In Enterprise Manager right-click on the server, choose properties, then the memory tab)

I am getting this error from a VB app after running four queries
"Could not perform the requested operation because the minimum query memory is not available. Decrease the configured value for the 'min memory per query' server configuration option."
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Question by:trouta
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acampoma earned 150 total points
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by:chigrik
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This is from SQL BOL:

"
min memory per query Option
Use the min memory per query option to specify the minimum amount of memory (kilobytes) that will be allocated for the execution of a query. For example, if min memory per query is set to 2048 KB, the query is guaranteed to get at least that much total memory. You can set min memory per query to any value from 512 through 2147483647 KB (2 GB). The default is 1024 KB.

Increasing the value of query memory generally improves the performance of queries that use hashing or sorting operations, particularly when there is a lot of memory available and few concurrent queries. min memory per query includes memory allocated for sorting and replaces the sort pages option in earlier versions of MicrosoftR SQL ServerT.

min memory per query is an advanced option. If you are using the sp_configure system stored procedure to change the setting, you can change min memory per query only when show advanced options is set to 1. The setting takes effect immediately (without a server stop and restart).
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