Bad Query Performance Tips Rebutted
Once upon a time, someone, somewhere, wrote a list of bad query performance tips and they’ve been copied all over...
2018-11-20 (first published: 2018-11-12)
3,230 reads
The Scary DBA
What Is Happening, Right Now, At the PASS Summit?
Honestly, that’s a very hard question to answer. I mean, first of all, you can look at the schedule. There...
2018-11-05
201 reads
Explicitly Drop Temporary Tables Or Wait For Cleanup?
I was recently asked if we are going to see performance differences if we explicitly drop temporary tables. I couldn’t...
2018-11-07 (first published: 2018-10-29)
3,982 reads
Why Did a Plan Get Removed From Cache?
I was recently asked if we could tell why a plan was removed from cache. If you read this blog,...
2018-10-26 (first published: 2018-10-22)
1,895 reads
Using Extended Events to Capture Implicit Conversions
Using the appropriate data type to avoid conversions or implicit conversions is a fundamental approach to good T-SQL coding practices....
2018-10-24 (first published: 2018-10-15)
1,800 reads
Database Fundamentals #19: JOINS
The last Database Fundamentals post introduced the SELECT and FROM commands. We’re going to start using JOIN operations shortly, but...
2018-10-22 (first published: 2018-10-08)
2,965 reads
Adaptive Joins and Join Hints
At a recent all-day seminar on query performance tuning I was asked a question that I didn’t know the answer...
2018-10-10 (first published: 2018-10-01)
2,722 reads
Introducing Azure Data Studio
If you’re watching Microsoft Ignite or tracking the information coming out of it on social media, then you know that...
2018-10-02 (first published: 2018-09-24)
3,561 reads
Extended Events and Stored Procedure Parameter Values
One complaint I’ve received frequently is that you can’t see stored procedure parameter values in Extended Events. That is patently...
2018-09-24
495 reads
Databases and DevOps, It’s Not Just Me
Anyone who subscribes to my blog or my YouTube channel as well as anyone following me on social media knows...
2018-09-19
306 reads
Blogs
SQL Server Alerts
By Kevin3NF
Don’t Let Trouble Sneak Up on You Most SQL Servers run quietly. Until...
Prompt AI helping with Auditing
By Steve Jones
I had a conversation with a customer asking this question: how can I tell...
From Data Custodian to Innovation Catalyst: The Evolving Role of the CDO
By Chris Yates
There was a time when the Chief Data Officer lived in the shadows of...
Forums
Create an HTML Report on the Status of SQL Server Agent Jobs
Comments posted to this topic are about the item Create an HTML Report on...
Collation errors...what is best way to deal with it?
Hi I have a SP that occasionally get this error: Cannot resolve the collation...
Was the index created or not?
Hi everyone I am getting an error when I create the index but I...
Question of the Day
Estimated Rows
I have two calls to the GENERATE_SERIES TVF in this code:
SELECT TOP 10 gs.value FROM GENERATE_SERIES(1, 10) AS gs ORDER BY NEWID () OPTION (RECOMPILE); go DECLARE @a int = 10; SELECT TOP (@a) gs.value FROM GENERATE_SERIES(1, @a) AS gs ORDER BY NEWID () OPTION (RECOMPILE);In the actual query plans, what is the estimated number of rows for each batch in SQL Server 2022? See possible answers