SQL Server migrations are a headache, ask anyone who’s been through the pain of moving a reasonably large server and I’m sure they will agree. There are all sorts...
2025-02-19 (first published: 2025-02-05)
420 reads
This post comes off the back of my last, where I looked at issues caused by explicitly declaring a large number of values in an IN clause. The query...
2024-12-11 (first published: 2024-12-04)
880 reads
Recently I received a cry for help over Teams. The issue was that an application was throwing up the following SQL error, The query processor ran out of internal...
2024-11-13 (first published: 2024-10-30)
582 reads
“Could you help me, we deleted the database’s transaction log file and now that database is stuck in ‘Recovery Pending’?” This was a panicked call that I received a...
2024-10-14 (first published: 2024-09-26)
498 reads
Full documentation on the Undercover Catalogue can be found HERE We’ve spotted a bug in the Databases module where an unprintable ASCII character was being inserted at the beginning of...
2024-09-12
36 reads
Way back in the mists of time I wrote a post on how to backup SQL server to an S3 bucket using TNTDrive, https://sqlundercover.com/2018/06/18/backup-your-on-premise-sql-server-directly-to-an-aws-s3-bucket/. Back then, if we wanted...
2024-08-26 (first published: 2024-08-13)
228 reads
Are you struggling with a laggy redo and a build up in the redo queue on your readonly secondaries? Are you suffering with high PARALLEL_REDO_TRAN_TURN waits? Then this magic...
2024-07-31 (first published: 2024-07-17)
304 reads
We’ve been hearing of a few people getting errors from the latest Undercover Catalogue, Powershell interrogation script. The issue seems to be happening when the scripts tries downloading automatic...
2024-07-22
19 reads
I recently received a complaint that Query Store for a particular database was turned off, which was strange as that particular database has seen quite a few performance issues...
2024-07-15 (first published: 2024-07-04)
324 reads
This is something that I’ve seen pop up a couple of times on various forums recently, how can we export the results of an XEvent session. So I thought...
2024-06-19 (first published: 2024-06-06)
342 reads
By Brian Kelley
Core skills depends on the position, but the point is that ensuring you have...
By Steve Jones
zverism – n. the wish that people could suspend their civility and indulge in...
By Kevin3NF
The Source Control Dilemma Every DBA has been there. Trying to keep track of...
Hi I have a task in my SSIS package that moves files from source...
We are migrating our environments to Azure, it will be a mix of SQL...
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