Reproduce snapshot isolation update conflict error 3960, compare read committed snapshot, and retry the whole transaction safely.
Sharing Query Results From SSMS: Copy With Headers, Grids and CSV
Share SSMS results with copy with headers, text and file output, deliberate CSV quoting, and command-line exports for larger sets.
Date Boundaries With DATETRUNC and EOMONTH in SQL Server 2022
Use DATETRUNC and EOMONTH for month, quarter, and week boundaries in SQL Server 2022, including index-friendly half-open filters.
Page View Counters: Avoiding Hot Row Contention on Busy Rows
One counter row means every visitor waits in line. See how buckets spread the locks, and why rows on one page can still crowd each other.
Three-Valued Logic: TRUE, FALSE and UNKNOWN in a WHERE Clause
Understand three-valued logic in WHERE and CHECK, avoid NULL-poisoned NOT IN, and use SQL Server 2022 null-safe comparisons.
CONCAT_NULL_YIELDS_NULL and CONCAT: How NULL Behaves in Strings
The CONCAT_NULL_YIELDS_NULL setting decides whether a string plus NULL returns NULL. The CONCAT function never looks at it and treats NULL as an empty string. This post tests both on a customer table, shows the errors the OFF setting causes, and gives safe patterns for names and numbers.
GO Is Not T-SQL: Batches, Variable Scope and GO With a Count
Learn why GO is not T-SQL, how batches reset variable scope, what GO 3 repeats, and how applications should send scripts safely.