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.
As a Data Engineer I found myself having to learn rather more about cloud infrastructure than I had expected.
I've been very pleased with the direction of SSMS the last few years. As it's been separated from SQL Server releases and gets updated more often, I think the changes from v17 though v20 have been improvements. There are still issues, but it's been better. Now we finally have SSMS moving to a modern shell […]
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.
We have all heard the saying I based this week's editorial on. It has been credited to Benjamin Franklin and goes like this, “You can do anything you set your mind to”. This is such a powerful way of thinking when you are starting a task. “I can do it, no matter what anyone says.” […]
If you've ever wondered if you can do better than an INDEX SCAN when you do a LIKE "%string%" search, read on...
Steve Jones thinks that we often over-engineer software, trying too hard to consider every possibility rather than getting it close.
Welcome to part 2 of our Demystifying Continuous Integration vs. Continuous Delivery series.
This tip explores leveraging existing SQL Server stored procedures within the Microsoft GraphQL API.
Forgive me for the title. Mentally I’m 12. When I started my current day...
By Steve Jones
One of the things a customer asked recently about Redgate Data Modeler was how...
By Steve Jones
For a number of years, we’ve produced the State of the Database Landscape report,...
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In SQL Server 2025, what is returned by this code:
SELECT EDIT_DISTANCE('Steve', 'Stan')
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