Froid

Finding Froid’s Limits: Testing Inlined User-Defined Functions

This week, I’ve been writing about how SQL Server 2019’s bringing a few new features to mitigate parameter sniffing, but they’re more complex than they appear at first glance: adaptive memory grants, air_quote_actual plans, and adaptive joins. Today, let’s talk about another common cause of wildly varying durations for a single query: user-defined functions. Scalar…
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