CTE in SQL Server Examples
In this article we cover what a Common Table Expression CTE is and how to write a CTE for doing selects, inserts, deletes, updates and more.
2021-06-02
SQL Server
Introducing the PASS Data Community SUMMIT
Join the world’s largest gathering of data professionals at this year’s free online PASS Data Community SUMMIT. Connect and network with 1000s of your peers and learn from some of the brightest minds in the data industry. This year’s must-attend online event is completely free, so sign up now to be notified when registration opens.
2021-05-28
SQL Server security – Providing a security model using user-defined roles
Greg Larsen continues his series and shows how user-defined roles roles can control SQL Server security.
2021-05-24
SQL Server plan cache mining – Plan attributes
Edward Pollack demonstrates how SQL Server plan cache mining can uncover a wealth of information to help with troubleshooting performance issues.
2021-05-21
A Step by Step Guide to the Availability Group (AG) Listener
Availability databases hosted on SQL Server Always On Availability Groups (AG) can be connected using a unique Virtual Network Name (VNN), called the Availability Group Listener. When an Availability Group is enabled, clients can connect to databases in both primary and secondary replicas without explicitly specifying the SQL Server instance name. You don’t even need […]
2021-05-17
10,011 reads
SQL Server T-SQL CASE Statement Examples
This tip will teach you when and how you can use CASE in T-SQL statements with several code examples to give you a better understanding.
2021-05-14
Your Top 10 Ideas for SQL Server
You’ve submitted thousands of bug reports and feature requests at feedback.azure.com. Brent Ozar goes through what you’ve voted as the top 10 requests right now.
2021-05-14
SQL Server Sequence Numbers
In this tip we look at the Sequence Number feature in SQL Server and compare it to the use of identity columns.
2021-05-10
How to Generate Fake Test Data for SQL Server
How to use a SQL random data generator to fill SQL Server tables with realistic test data, to shift left database unit testing, integration testing and performance testing so that it is performed during the early stages of database development.
2021-05-03
SQL Server Memory Usage Query
Check out this SQL Server function that can return memory usage information for a SQL Server instance such as the amount of memory SQL Server is using and available memory on the machine.
2021-05-03
Blogs
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Forums
Can someone please explain what happens?
I have mentioned this several times over several years. Can someone please help me...
SELECT COUNT(DISTINCT) returns null when nothing is found instead of 0
SELECT COUNT(DISTINCT Component) AS Found FROM tblComponents WHERE(Component NOT LIKE '%[a-z]%') AND(LTRIM(RTRIM(Component)) = 'GM13622')...
Remotely Engineer Fabric Lakehouse objects: The Fabric Modern Data Platform
Comments posted to this topic are about the item Remotely Engineer Fabric Lakehouse objects:...
Question of the Day
Creating JSON III
In a SQL Server 2025 table, called Beer, I have this data:
BeerIDBeerName 1Becks 2Fat Tire 3Mac n Jacks 4Alaskan Amber 8KirinI run this code:
SELECT JSON_OBJECTAGG(
BeerID: BeerName )
FROM beer;
What are the results? See possible answers