While preparing for a demo session for my client, I was playing with SQL Server backups on my lab server. I encountered an error which I am going to blog here. Here is the error about backup or restore history details.
SQL SERVER – Incorrect Error: Unable to Add Filegroup – A Severe Error Occurred on the Current Command
One of my customers recently reached out to me to help them out with a strange error which they were facing related to Add FileGroup. After carefully looking at the issues, we figured out that real issue was much deeper and very different.
SQL SERVER – Puzzle – Strange Behavior With Extra Comma in Create Table Statement
Today’s puzzle is very interesting and my favorite puzzle to ask right at the beginning of the presentation. This puzzle helps to break the ice between audience while people are still settling in the audience. Let us see my favorite puzzle of Strange Behavior With Extra Comma in Create Table Statement.
SQL SERVER – Nested Triggers – Trigger Calling Another Trigger Error
Recently I have received a very interesting question in an email. The user wanted to know how will trigger behave when there are nested triggers. In an email, he described a scenario where trigger called another trigger. I really liked the question and immediately answered in the email as well. However, I believe many others may have the same question, so decided to write this blog post with an example.
How to Drop All the User Created Statistics by SQL Server? – Interview Question of the Week #158
Question:Â How to Drop All the User Created Statistics by SQL Server?
SQL SERVER – 2017 – Script to Clear Procedure Cache at Database Level
When my customer ask they want to clear the cache of the database, I always so NO. It is not necessary. However, I have come to the realization that customers are always right and sometimes even though I say no, they still want to do it. One way or another way, they will eventually do what they want. Let us learn about Script to Clear Procedure Cache at Database Level.
SQL SERVER – Simple Script to Match Session ID to OS Thread ID
I often get asked a question about how actually Session ID of SQL Server is mapped to Operating System’s’ Thread ID. Well, the answer is very simple, here is the script which provides us three important details – SQL Session ID, OS Thread ID and OS Scheduler ID along with the state of the task.Â