/SQL/Sql script to remove default from column

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>

Source: stackoverflow.com

Similar codes

0 vote274 views1 answer
An exception occurred while executing a transact-sql statement or batch user,group or role already
SQL
0 vote283 views1 answer
Initcap in sql
SQL
0 vote304 views1 answer
List all indexes postgres
SQL
0 vote273 views1 answer
Sql examples from your work
SQL
1 vote281 views1 answer
Select from one table where not on the other
SQL
2 votes288 views2 answers
How to view created temporary tables in mysql
SQL
3 votes288 views2 answers
How to start postgresql on windows
SQL
0 vote285 views1 answer
Mysql set boolean default value
SQL
0 vote274 views1 answer
Sql server obtener nombre sin espacios en blanco
SQL
17 votes281 views4 answers
Set mysql Password
SQL