sql server drop constraint default value
ALTER TABLE [TheTable] DROP CONSTRAINT [TheDefaultConstraint]sql server drop constraint default value
ALTER TABLE [TheTable] DROP CONSTRAINT [TheDefaultConstraint]sql script to remove default from column
DECLARE @tableName VARCHAR(MAX) = '<MYTABLENAME>'
DECLARE @columnName VARCHAR(MAX) = '<MYCOLUMNAME>'
DECLARE @ConstraintName nvarchar(200)
SELECT @ConstraintName = Name
FROM SYS.DEFAULT_CONSTRAINTS
WHERE PARENT_OBJECT_ID = OBJECT_ID(@tableName)
AND PARENT_COLUMN_ID = (
SELECT column_id FROM sys.columns
WHERE NAME = @columnName AND object_id = OBJECT_ID(@tableName))
IF @ConstraintName IS NOT NULL
EXEC('ALTER TABLE '+@tableName+' DROP CONSTRAINT ' + @ConstraintName)
-- Just replace <MYTABLENAME> and <MYCOLUMNNAME>Copyright © 2021 Codeinu
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