Enforce business rules with indexed views and a two-row table
Here’s a technique that uses a view with a unique index and a dummy table with only two rows to trick SQL Server into enforcing your business rules.
2012-08-20
8,194 reads
Dan Ryan
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Adding Defaults
I have a table, called dbo.logger, in SQL Server 2022. I decide to add two new columns to this table with this code.
ALTER TABLE dbo.logger ADD CreateDate DATETIME CONSTRAINT dfGetDate DEFAULT GETDATE() GO ALTER TABLE dbo.logger ADD ModifyDate DATETIME DEFAULT dfGetDate GOWhat happens when I run these two batches? See possible answers