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conditional unique constraint
... constraint like this. The difference is, you'll return false if Status = 1 and Count > 0.
http://msdn.microsoft.com/en-us/library/ms188258.aspx
CREATE TABLE CheckConstraint
(
Id TINYINT,
Name VARCHAR(50),
RecordStatus TINYINT
)
GO
CREATE FUNCTION CheckActiveCount(
@Id INT
) RETURNS I...
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187
I got lucky and answered this in a comment to the question, but I'm posting a full answer for ...
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edited Mar 18 at 17:44
Nino Filiu
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edited Jun 20 at 9:12
Community♦
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answered Jan 16 '13 at 15:39
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141
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