A historical SQL Server 2017 Bug affected CHECKDB with PHYSICAL_ONLY and clustered columnstore data. One client observed a dump.
Filtered Statistics: Fixing Estimates for Skewed Data
Use filtered statistics to describe skewed customer values, inspect histograms, and test estimates under literal and parameterized queries.
How to Remove Quotes of QUOTENAME? – Interview Question of the Week #235
Question: How to Remove Quotes of QUOTENAME? I received based on my yesterday’s blog post SQL SERVER – QUOTENAME Function and Custom Quote Character.
SQL SERVER – Query Specific Wait Statistics and Performance Tuning
Query Specific Wait Statistics helped explain a sudden customer-query slowdown. The remaining workload ran normally, and recompilation had not helped.







