ITPUB

Feb 7, 2017 · Databases

When Automatic Parameterization Hurts: Understanding SQL Server’s Simple Mode and Fixing Bad Plan Reuse

This article explains SQL Server’s simple and forced parameterization modes, shows how automatic parameterization can cause plan reuse and inaccurate row‑count estimates, and demonstrates how to detect and resolve these issues using OPTION(RECOMPILE) and proper indexing.