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Deciding on Forced Parameterization or Optimize for Ad Hoc Workloads

Erik Darling hosts a showdown:

I often speak with people who are confused about what these settings do, and which one they should be using to fix certain problems.

The first myth is that Optimize For Ad Hoc Workloads has some special effect on queries run outside of stored procedures: it does not. It’s very poorly named in that regard. There are no special optimizations applied because of that setting.

Read the whole thing.