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Help with sp_executeSQL calling a stored procedure with multiple parameters

Posted on 2014-01-23
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Last Modified: 2014-01-27
Hi experts,

The attached code loops through a temporary table and runs a complex validation procedure on each row.

I am looking at ways this could be speeded up and am investigating sp_executeSQL as opposed to Exec.  I cannot get it to work...the called procedure is still expecting the original parameter names...see the commented line above the sp_executeSQL  call.

I have been really struggling with this, and have looked at BOL.  If anyone can help me untangle it I'd appreciate it.

Colsp-executeSQL.docx
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Question by:colinspurs
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Scott Pletcher earned 500 total points
ID: 39803819
Changing to sp_executesql won't speed it up.

Ways to improve performance:
1) Make ID a primary key on @ProjectTables (i.e., cluster @ProjectTables by ID).
2) Add an index to TEMP_SITES_AND_TABLES on TABLE_NAME that includes project and site_id (not needed if T_S_A_T is clustered on table_name).
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by:colinspurs
ID: 39806300
Thanks Scott.

T_S_A_T is actually a table variable in the original code.

I have updated the script (attached) but there is no discernible difference in performance.

The execution plan suggests a bunch of missing indexes so I'll try those too.

ValidateProc.docx
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by:colinspurs
ID: 39812304
Indexes made no great difference...think I'll park this one on the fact that sp_executeSQL would not help.
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by:colinspurs
ID: 39812305
Thanks.
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