Erik Darling and Kendra Little Rate SQL Server Perf Tuning Techniques
Dear SQL DBA
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Exploring Scalar UDFs: Promises and Pitfalls in SQL Server
This chapter explores the advancements and challenges of scalar User Defined Functions in SQL Server since 2019, particularly the impact of the new inlining feature. While revealing the potential benefits, it also discusses the performance issues that may arise, concluding that scalar UDFs may not be a reliable method for performance tuning.
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