In this blog post, we discuss the difference between Login Vs User – Security Concepts. They look the same but actually, they are totally different.
SQL SERVER – Fix Error – Login failed for user. Reason: Server is in script upgrade mode. Only administrator can connect at this time. (Microsoft SQL Server, Error: 18401)
I recently had a very simple and interesting error received while I was performing an upgrade mode with Docker and Persistence Storage for my upcoming workshop.
When Was SQL Server Last Restarted? – Interview Question of the Week #225
When was SQL Server last restarted? It is my first question in every Health Check, because a restart empties the DMVs and their performance history.
Docker Run Without Pull: Start SQL Server in One Command
Docker run without pull works because docker run downloads the image when it is not on your machine. This post shows how to check which images you already have and how the pull option changes the behavior. It also explains when an explicit pull is the better habit.
Columnstore Deleted Rows: When the Delete Bitmap Slows Scans
Inspect columnstore deleted rows, measure delete-bitmap overhead, and choose targeted REORGANIZE work before a heavier rebuild.
SQL SERVER – Stored Procedure sp_datatype_info to Get Supported Data Types
Forget which data types your SQL Server version supports? I run sp_datatype_info, which lists every supported type with precision, nullability and searchability.
SQL SERVER – Automatic Seeding of Availability Database ‘DB’ in Availability Group ‘AG’ Failed With an Unrecoverable Error
Automatic seeding of availability database failed with an unrecoverable error: it showed on the secondary, then vanished. Here is what ERRORLOG said.