Compare cold cache and warm cache query tests using isolated buffer clearing, logical and physical reads, and controlled measurements.
The Case for A Database Monitoring Tool: Your Organization’s Most Valuable Asset
Why does every business need a database monitoring tool? It helps you spot trends, find bottlenecks and fix problems before your users feel them.
TRY_CAST vs CAST: Finding Rows That Will Not Convert Before a Load
Find text values that will not convert before loading, separate invalid and missing input, and use explicit date styles and culture parsing.
Approximate Percentiles With APPROX_PERCENTILE_CONT
Use APPROX_PERCENTILE_CONT for large response-time summaries, compare exact percentiles, and interpret the documented rank error bound.
PASS Data Community Summit 2022 – Join Us on Nov 15-18
This year, THE data community conference celebrates a hybrid homecoming in Seattle and online. That means you can join me, 1000s of your peers.
Finding Queries That Spill With total_spills in Query Stats
Rank total_spills and recent counters, inspect plans, compare Query Store tempdb use, and investigate estimates before increasing grants.







