Calculate a Moving Average with T-SQL Windowing Functions
Learn how to create a moving average in SQL Server using older and less performant T-SQL and a modern way using windowing functions.
2024-12-06
Learn how to create a moving average in SQL Server using older and less performant T-SQL and a modern way using windowing functions.
2024-12-06
Like ancient Gaul, SQL is divided into three sub- languages. The DDL (Data Declaration Language) declares the data. This is where we find the data types, constraints, references and other structures that have to do with how the data stored . The DML (Data Manipulation Language) uses those declarations to change their contents or to invoke them. It does not change structures and schema objects.
2024-12-04
As a Data Engineer I found myself having to learn rather more about cloud infrastructure than I had expected.
2024-12-02
3,637 reads
This article looks at how to use SQL IS NULL and SQL IS NOT NULL operations in SQL Server along with use cases and working with NULL values.
2024-12-02
If you've ever wondered if you can do better than an INDEX SCAN when you do a LIKE "%string%" search, read on...
2024-11-29 (first published: 2014-04-07)
50,947 reads
Welcome to part 2 of our Demystifying Continuous Integration vs. Continuous Delivery series.
2024-11-29
This tip explores leveraging existing SQL Server stored procedures within the Microsoft GraphQL API.
2024-11-27
This isn't really a first look, per se. I've seen Erin Stellato present on this a few times in MVP sessions and at the PASS Data Community Summit. However, this is a look on my machine, where I'm in control. The new version preview was announced recently, and this looks at the new process to […]
2024-11-25
18,344 reads
Starting at 4pm PST on Thursday, November 28th, SQLskills will be offering our lowest prices ever for our signature Blackbelt bundle with more than 158 hours of top-quality training.
2024-11-25 (first published: 2024-11-06)
Bob Ward announces the next version of SQL Server, now in private preview.
2024-11-22
21,816 reads
By Steve Jones
I haven’t done one of these in awhile, but I saw an article recently...
In last months one of the scenarios where you can use AI has been...
Comments posted to this topic are about the item Creating JSON II
Comments posted to this topic are about the item Engineer Lessons
On SQL Server 2025, what happens when I run this code:
SELECT JSON_OBJECTAGG( N'City':N'Denver' RETURNING JSON) GOSee possible answers