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I have an existing table where the first few rows have been deleted. Is is possible to reset the primary key so the existing data Id column changes back to 1,2,3..?

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I think you should post it on StackOverflow – kristof Apr 30 '09 at 10:52
up vote 3 down vote accepted

I think this question belongs to SO.

For example you may find renumber primary key helpful

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This should work: DBCC CHECKIDENT(tableName, RESEED, 0). The tip is from here

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