DataBase > SQL Server

How to Alter column with a Default constraint

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admin:
1- Drop the constraint first.
2- Alter the column.
3- recreate the constraint again.

--- Code: ---ALTER TABLE dbo.TPURENTRY
DROP CONSTRAINT TPURENTRY_ADDITIONNALINFO_DF
GO

ALTER TABLE dbo.TPURENTRY
ALTER COLUMN ADDITIONNALINFO VARCHAR(MAX) NULL
GO

ALTER TABLE dbo.TPURENTRY 
ADD CONSTRAINT TPURENTRY_ADDITIONNALINFO_DF DEFAULT '' FOR ADDITIONNALINFO
GO
--- End code ---

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