Part 3 of my series on computed column and performance shows how an index improves the performance of a computed column. Read the earlier parts first.
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SQL SERVER – SHRINKDATABASE For Every Database in the SQL Server
A query tuning visit turned into a lesson on why running SHRINKDATABASE for every database is a bad idea. Here is what happened at the client’s office.
Random Tokens in SQL Server: Generation, Storage and Expiry Checks
Random tokens in SQL Server need more than a generated value. Their stored state must define expiry, revocation and whether consumption already occurred. A guarded disposable fixture makes the boundary conditions explicit.
SQL SERVER – Best Practices for DBA Before Taking Vacation
Why is it so hard for a DBA before taking vacation to relax? For T-SQL Tuesday I share my best practices, starting with the hardest: do not think about your job.
Documenting a Server You Just Inherited
Documenting a server you just inherited starts with identity, databases, files, jobs, access, alerts, and tested recovery ownership.
Monitoring Availability Group Health
Monitor availability group health through replica connection state, database synchronization, send and redo queues, and failover readiness checks.
GENERATE_SERIES: Make the Step Explicit
GENERATE_SERIES returns numbers within a declared range. These read-only examples specify the step, preserve input types and order every returned series deliberately.
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