Technical 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!

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Question of the Day

The Data API Builder MCP Server Tools

The Data API Builder MCP Server, v2.x, includes a number of tools. What actions can these tools perform in your database?

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