blanchak/Unique index nullable column SQL Server

Created November 2, 2011 14:05

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Creating a unique constraint on a nullable column. We need to filter out the nulls. [SQL 2008]

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Unique index nullable column SQL Server

	CREATE UNIQUE NONCLUSTERED INDEX [IX_MyTable] ON [dbo].[MyTable]
	(
	[UniqueNullableColumn] ASC
	)
	WHERE ([UniqueNullableColumn] IS NOT NULL)

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