/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 vote378 views1 answer
Varchar2 length in oracle
SQL
0 vote395 views1 answer
See the structure of a table mysql
SQL
1 vote347 views2 answers
Populate sql table with random data
SQL
0 vote339 views1 answer
How to remove default in mysql
SQL
32 votes382 views6 answers
Sql count where
SQL
56 votes660 views5 answers
Psql create user
SQL
1 vote371 views1 answer
Trim leading zeros in sql
SQL
0 vote362 views1 answer
Sql server alter table column nullable
SQL
4 votes359 views5 answers
Primary key
SQL
0 vote369 views1 answer
Create schema sql server
SQL