Presenting you with an updated version of our sp_snapshot procedure, allowing you to easily create database snapshots. This new version fixes a bug that we’ve found in version 2...
2025-10-24 (first published: 2025-10-02)
1,513 reads
It’s been forgotten about and neglected for few years but I’ve decided to dust off the cobwebs and revive our YouTube channel. Keep an eye on it, every new...
2025-07-11
20 reads
A while ago I was looking into some odd errors that were cropping up in an application, when I spotted that all the columns in a table were defined...
2025-06-30
50 reads
The Distributed Availability Group Dashboard can be downloaded from our GitHub repo. https://github.com/SQLUndercover/UndercoverToolbox/blob/master/DAG%20Dashboard.pbix. This comes off of the back of my last post looking at using a distributed availability...
2025-04-14 (first published: 2025-04-01)
366 reads
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)
1,410 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)
920 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)
987 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)
525 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
44 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)
252 reads
By Brian Kelley
Following the advice in Smart Brevity improves communication.
By John
Microsoft has released SQL Server 2025, bringing big improvements to its main database engine....
By Steve Jones
A customer was asking about what certain items in Redgate Monitor mean. They have...
I have table: t1 in schema1 with 19 billion records. I have another table...
Comments posted to this topic are about the item Minimally Viable Security
Comments posted to this topic are about the item Encoding NULL
What is returned from this code in SQL Server 2025?
SELECT BASE64_ENCODE(NULL)See possible answers