Capture a production workload with Extended Events and replay it on a restored copy using WorkloadTools or ostress after Distributed Replay.
SQL SERVER – FIX ERROR 3702 Cannot drop database “MyDBName” because it is currently in use
Error 3702: cannot drop database because it is currently in use. Set it to SINGLE_USER WITH ROLLBACK IMMEDIATE, then drop it. Best kept for demo servers.
CURRENT_DATE, || and Other Small T-SQL Changes in SQL Server 2025
Use CURRENT_DATE, string concatenation, optional SUBSTRING length and bigint DATEADD in SQL Server 2025 with clear examples and checks.
SQL SERVER – Recycle Error Log – Create New Log file without Server Restart
A client’s DBA restarted the server just to start a fresh Error Log. There is no need: you can recycle the log and create a new file without a restart.
A Bill of Materials With a Recursive CTE
Expand a bill of materials with a recursive CTE, multiply quantities across levels, trace component paths, and guard against cycles.
Leap Years in T-SQL: February 29 and Date Math
Handle leap years in T-SQL with date functions, test February boundaries, and choose a clear anniversary rule for February 29 births.
SQL SERVER – Finding Last Backup Time for All Database
Last Backup Time comes from recorded history, which I check by backup type. Recovery still needs the files and a tested chain.