The SQL Server LAG Function
The LAG function can really improve performance over the old double JOIN.
Versatile or Jack of all trades
Do you consider multi-skills useful; or just one with mastery in it?
Creating Measures Using DAX
In the first article in this series, Andy Brown demonstrated how to create calculated columns in Power BI using the DAX language. This second article in the series explains what measures are, and how you can use DAX to create measures within Power BI. The formulae in the article apply equally well to PowerPivot and Analysis Services Tabular Model.
Manipulating Filetable Files Programatically
Learn how you can work with FileTable files from T-SQL as an alternative to the drag and drop methods of using Windows Explorer
Do Functions Stop You From Using Indexes?
If you have a function in the WHERE clause, you might have heard you can't use indexes. That's not entirely correct.
Logging SQL and Change-Tracking Events in EF Core
Julie Lerman introduces you to the new logging APIs in .NET Core, concentrating on SQL and change-tracking events, with a focus on providers that output to the console and the debugger.
Saving Data to Various Formats, Using SQL
You have many options when exporting data from a database. In this article, Phil Factor compares several methods including XML and array-in-array JSON for speed and file size.
Using T-SQL to Fix Bad Data in XML Documents Using FLWOR
Learn how to use T-SQL to fix contents of an XML document using FLWOR
Blogs
Moving On-Prem PostgreSQL to the Cloud: Picking the Right Path for Big Tables
Every PostgreSQL migration eventually hits the same fork in the road. The database is...
A Spread of Vacation
By Steve Jones
I’m off on vacation today. Which is a little weird as I just got...
How AgentDBA Identifies Backup Failures
By Arun Sirpal
Every DBA has a box like this. Sitting untouched for months. Nobody’s proud of...
Forums
Calculating Geometric Mean in Power BI
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TempDB Facts I
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Question of the Day
TempDB Facts I
Can I set Accelerated Database Recovery on tempdb?
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