How to drop unique key constraint/conditional unique key constraint in sql server?

Member

170 Points

7 Posts

I'm try to delete following constraint but not to drop it:

 CREATE UNIQUE NONCLUSTERED INDEX UQ_MyTable_TypeKey ON [dbo].[MyTable]([TypeKey] ASC)
 WHERE [TypeKey] <> 55555 AND [TypeKey] <> 75555)

Here is drop command:

ALTER TABLE [dbo].[MyTable] DROP CONSTRAINT UQ_MyTable_TypeKey

But getting error:

'UQ_MyTable_TypeKey' is not a constraint.
Could not drop constraint.

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Total Answered: 3
Total Marked As Answer: 1
Posted On: 21-Apr-2024 22:19

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sw Member 170 Points 7 Posts	Also, tried as: `ALTER TABLE [dbo].[MyTable] DROP INDEX UQ_MyTable_TypeKey` But getting following error: `The operation 'ALTER TABLE DROP INDEX' is supported only with memory optimized tables. Could not create constraint or index. See previous errors.` Posted On: 22-Apr-2024 00:17
dev3 Member 128 Points 1 Posts	Try following command to drop key constraints: `DROP INDEX UQ_MyTable_TypeKey ON [dbo].[MyTable]` Posted On: 22-Apr-2024 01:18
sw Member 170 Points 7 Posts	Thanks. Works for me. Posted On: 22-Apr-2024 04:33