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Editorial Team
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Asked: 2026-05-30T10:14:30+00:00

How do I alter the default binding of a column? This works: ALTER TABLE

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How do I alter the “default binding” of a column?

This works:

ALTER TABLE [t].[t150806].[tblTest] 
ADD CONSTRAINT test_constraint DEFAULT '10' FOR test

but since I’ve set the “default bind” earlier, I wish to continue in this fashion. So how do I set the “default binding” instead`?

Thanks,

Barry

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1 Answer

  1. Editorial Team

    You cannot alter a default constraint – you need to drop the old one:

    ALTER TABLE [BI011mylovetoys].[mylovetoys150806].[tblTest] 
DROP CONSTRAINT old_constraint

    and then add your new one:

    ALTER TABLE [BI011mylovetoys].[mylovetoys150806].[tblTest] 
ADD CONSTRAINT test_constraint DEFAULT '10' FOR test
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