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)
449 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)
454 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
31 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)
217 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)
264 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
18 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)
205 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)
334 reads
Full documentation on the Undercover Catalogue can be found HERE It’s been a while since the Undercover Catalogue last received an update but having had a few of those...
2024-05-01 (first published: 2024-04-16)
275 reads
Your boss walks up to you one morning and says, “Hey, I wanna list of all of our databases and when they were last accessed”. If you’ve got some...
2024-04-15 (first published: 2024-04-02)
1,132 reads
By Ed Elliott
All Spark Connect Posts Introduction There have been quite a few changes in the last...
By Steve Jones
ochisia – n. the fear that the role you once occupied in someone’s life...
This is a quick blog post, mainly so I have the code available if...
I'm using PowerQuery in Excel on my desktop. (Yeah, I know you can do...
Here's my data... I am trying to return total days in status for each...
Here's my data... I am trying to return total days in status for each...
When building statistics, there is the concept of density that refers to the duplicates in a table. How is this calculated?
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