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
5 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)
430 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
5 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)
539 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
4 reads
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)
209 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
29 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)
211 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
113 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)
241 reads
Blogs
TempDB Internals – What’s New (SQL Server 2016 to 2022)
By Vinay Thakur
I wrote about TempDB Internals and understand that Tempdb plays very important role on...
AI: Blog a Day – Day 2: Generative AI, Multimodal Systems, and Agent AI
By Vinay Thakur
continuing from Day 1 where we covered the history of AI and GPT family,...
Forums
A Quick Restore
Comments posted to this topic are about the item A Quick Restore
Guarding Against SQL Injection at the Database Layer (SQL Server)
Comments posted to this topic are about the item Guarding Against SQL Injection at...
Ola Hallengren Index Optimize Maintenance can we have data compression = page
I have a quick question on Ola Hallengren Index Optimize Maintenance . Do we...
Question of the Day
A Quick Restore
While doing some testing of an application, I wanted to reset my environment after doing some testing with this code:
USE DNRTest BACKUP DATABASE DNRTest TO DISK = 'dnrtest.bak' GO /* Bunch of stuff tested here */RESTORE DATABASE DNRTest FROM DISK = 'dnrtest.bak' WITH REPLACEWhat happens if this runs, assuming the "bunch of stuff" isn't anything affecting the instance. See possible answers