Articles

External Article

Using SET NULL and SET DEFAULT with Foreign Key Constraints

Cascading Updates and Deletes, introduced with SQL Server 2000, were such an important, crucial feature that it is hard to imagine providing referential integrity without them. One of the new features in SQL Server 2005 that hasn't gotten a lot of press from what I've read is the new options for the ON DELETE and ON UPDATE clauses: SET NULL and SET DEFAULT. Let's take a look!

2008-08-28

2,984 reads

Blogs

RANK() vs DENSE_RANK(): #SQLNewBlogger

By

I haven’t done one of these in awhile, but I saw an article recently...

Using CAT for Testing of Data Agents

By

In last months one of the scenarios where you can use AI has been...

Are you getting value from your reporting?

By

Do you spend so long manipulating your data into something vaguely useful that you...

Read the latest Blogs

Forums

Fun with JSON

By ateraa

Comments posted to this topic are about the item Fun with JSON

Creating JSON II

By Steve Jones - SSC Editor

Comments posted to this topic are about the item Creating JSON II

Engineer Lessons

By Steve Jones - SSC Editor

Comments posted to this topic are about the item Engineer Lessons

Visit the forum

Question of the Day

Creating JSON II

On SQL Server 2025, what happens when I run this code:

SELECT JSON_OBJECTAGG( N'City':N'Denver' RETURNING JSON)
GO

See possible answers