Customizing the Default Azure Data Studio Dashboards
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The SQL Server LAG Function
The LAG function can really improve performance over the old double JOIN.
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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.
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Question of the Day
Creating a JSON Document III
I have this data in a table called dbo.NFLTeams
TeamID TeamName City YearEstablished ------ -------- ---- --------------- 1 Cowboys Dallas 1960 2 Eagles Philadelphia 1933 3 Packers Green Bay 1919 4 Chiefs Kansas City 1960 5 49ers San Francisco 1946 6 Broncos Denver 1960 7 Seahawks Seattle 1976 8 Patriots New England 1960If I run this code, how many rows are returned?
SELECT TOP 2
json_objectagg('Team' : TeamName)
FROM dbo.NFLTeams;
See possible answers