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Excessive sp_executesql usage


Excessive sp_executesql usage

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Query Shepherd
Query Shepherd
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My devs seem to use sp_execute even for the execution of SPs. Is there any downside to this dynamic model?

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Grant Fritchey
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As long as they are calling procedures or creating parameterized queries, not really. It might tend to bloat the cache a little depending on how the calls are generated since additional statements around the EXEC sp_executesql could be stored there. That would be my one concern once I was sure they weren't just generating ad hoc T-SQL.

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As a side note, using sp_executesql is pretty much how every query from SMO (objects used by SSMS) is issued against the instance. The SQL Agent team coded their queries this way as well and they did a lot of things wrong initially and it did result in plan cache bloat. If you run a Trace on your instance and then navigate around the Object Explorer in SSMS and run a few SQL Agent jobs you'll see what I mean.

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