A countdown that says 1 day for a one-second gap is counting boundaries, not time. Here is how to build one that tells the truth.
Indexed Computed Columns: Speeding Up Code You Cannot Change
Use indexed computed columns to help fixed vendor queries on UPPER or CAST, while checking determinism and required SET options.
Async Statistics Updates: Stopping Queries From Stalling
Diagnose synchronous statistics refresh waits, enable async statistics updates, and judge when fresh estimates still matter more.
Consulting 105 – Why Don’t I Want My Customers to Return for the Same Problem?
Learn to diagnose the same problem yourself, distinguish symptom relief from a root-cause fix, and know when a follow-up is useful.
Consulting 103 – Why Do I Assure SQL Server Performance Optimization in 4 Hours?
See how performance optimization in 4 hours follows focused triage, reviewed fixes, and a written action plan for the work that remains.
Wide Update Plans: What Every Extra Index Costs a Write
Inspect wide update plans, compare index-maintenance work with narrow updates, and read per-index counters without misreading STATISTICS IO.
Do Queries Always Respect Cost Threshold of Parallelism? – Interview Question of the Week #216
Do queries always respect the Cost Threshold for Parallelism? Not always, and a quick AdventureWorks test with the execution plan shows why.