You Can Disable Parameter Sniffing. You Probably Shouldn’t.


During my parameter sniffing classes, people get a little exasperated with the complexity of the problem. Parameter sniffing is totally hard. I get it. At some level, it’d be great to just hit a magic button and make the whole thing go away.

So inevitably, somebody will ask, “What about the database-level setting called Parameter Sniffing? Can’t I just right-click on the database, go into options, and turn this damn thing off?”

What they THINK is going to happen is that SQL Server will do an OPTION(RECOMPILE) on every incoming query, building fresh plans each time. That ain’t how