A DROP STATISTICS script can remove every auto-created statistic in a database, and SQL Server builds the useful ones again on demand. This post previews the statements, runs them behind a switch and shows what happens to the next query. It also says when the cleanup helps.
Archiving Old Rows to a History Table in Small Batches
Make archiving old rows atomic with DELETE OUTPUT, preserved source identifiers, bounded batches, reconciliation, and a job time limit.
How to Measure Transactions Per Seconds in SQL Server? – Interview Question of the Week #262
Question: How to Measure Transactions Per Seconds in SQL Server?
I have updated the script for this for Comprehensive Database Performance Health Check.
Connection Strings Explained: Encrypt, TrustServerCertificate and Timeouts
Explain TrustServerCertificate, encryption modes, connection and command timeouts, listener failover, and server-side connection evidence.
SQL Job Schedules: Read Every Schedule in Plain English
SQL job schedules are stored as codes, and even the built-in description shows a time such as 60000. This post builds four demo jobs with five schedules and decodes every one with a single query. It also shows shared schedules, disabled schedules and jobs with no schedule at all.
List All Jobs With Owners in SQL Server Agent
To list all jobs with owners, read the job table in msdb and resolve each owner with a join that keeps jobs without a login. This post builds four demo jobs, shows how a common query hides one of them, and reassigns jobs safely. It ends with a cleanup script.
TempDB Metadata Tables: Check, Enable and Count Them
The tempdb metadata tables can live in memory, and four short steps tell you whether yours do. This post checks the setting, shows how to turn it on and off, and counts the tables SQL Server moves. It also says when the feature is worth a restart.