Find Queries Using a Key Lookup Operator
While teaching about Extended Events and Execution Plans last week, Jason, one of the people in the class, asked: Is there a way in Extended Events to find queries...
2021-06-14
1 reads
The Scary DBA
Database Fundamentals #30: Create Foreign Keys With T-SQL
You can create foreign keys using TSQL roughly the same way as you created primary keys. You can either use the ALTER TABLE statement to add the foreign key,...
2021-06-07 (first published: 2021-05-24)
427 reads
Database Fundamentals #30: Create Foreign Keys With T-SQL
You can create foreign keys using TSQL roughly the same way as you created primary keys. You can either use the ALTER TABLE statement to add the foreign key,...
2021-05-24
2 reads
Query Compile Time
A question that came up recently was how to track the query compile time. It’s actually a pretty interesting question because, there aren’t that many ways to tell how...
2021-05-19 (first published: 2021-05-10)
535 reads
Query Compile Time
A question that came up recently was how to track the query compile time. It’s actually a pretty interesting question because, there aren’t that many ways to tell how...
2021-05-10
Query Store on Azure SQL Database
Under the covers, Azure SQL Database is just good old fashioned SQL Server and this includes Query Store on Azure. While many things can be different when working with...
2021-05-14 (first published: 2021-05-03)
206 reads
Using Extended Events Live Data With Azure
In my last post I showed some shortcomings of Extended Events, however, it is possible to use Live Data with Azure. Let’s explore exactly how that works. To get...
2021-04-26
26 reads
Extended Events and Azure SQL Database
Knowledge of how your system behaves is vital to better control, maintain, and grow the system. While Azure provides all sorts of wonderful assistance within Azure SQL Database, you’re...
2021-04-22 (first published: 2021-04-19)
209 reads
A Year of “Good Morning!”
Just a little over a year ago, I started posting a “Good Morning!” tweet on Twitter every work day. I’ve kept it up for over a year and I’d...
2021-04-06
109 reads
Extended Events: Embrace the XML
While XML is, without a doubt, a giant pain in the bottom, sometimes, the best way to deal with Extended Events is to simply embrace the XML. Now, I...
2021-04-12 (first published: 2021-04-05)
235 reads
Blogs
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...
Down the Rabbit Hole: Dealing with Ad-Hoc Data Requests
By Rayis Imayev
"But I don’t want to go among mad people," Alice remarked."Oh, you can’t help...
Adding a Local Model to Ollama through the GUI
By Steve Jones
I saw some good reviews of the small gemma3 model in a few places...
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...
Identify Unused Tables in SQL Server and Azure SQL
Comments posted to this topic are about the item Identify Unused Tables in SQL...
SQL Server Advanced Troubleshooting and Performance Tuning: Best Practices and Techniques
Comments posted to this topic are about the item SQL Server Advanced Troubleshooting and...
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? See possible answers