Joe Sack

SQL Server Performance Tuning, High Availability and Disaster Recovery Blog

Category: Cardinality Estimation

Cardinality Estimation Model Version

This post is a continuation of the SQL Server 2014 Cardinality Estimator enhancements exploration series: A first look at the query_optimizer_estimate_cardinality XE event “CSelCalcCombineFilters_ExponentialBackoff” Calculator


Detecting Selectivity Guesses

I’ve been mulling over a potential Microsoft Connect item regarding selectivity guess warnings, but I’m uncertain if it would have enough demand to drive product


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