Drop constraint in ms sql

DECLARE @sql NVARCHAR(MAX)
WHILE 1=1
BEGIN
    SELECT TOP 1 @sql = N'alter table tbloffers drop constraint ['+dc.NAME+N']'
    from sys.default_constraints dc
    JOIN sys.columns c
        ON c.default_object_id = dc.object_id
    WHERE 
        dc.parent_object_id = OBJECT_ID('tbloffers')
    AND c.name = N'checkin'
    IF @@ROWCOUNT = 0 BREAK
    EXEC (@sql)
END

Source: stackoverflow.com

Similar codes

6 votes322 views1 answer
How to get the size of the database in postgresql
SQL
1 vote308 views3 answers
Update from select sqlite
SQL
1 vote314 views1 answer
Ubuntu mysql cannot connect to database server remote
SQL
12 votes288 views3 answers
Duplicate a column in sql
SQL
4 votes354 views4 answers
Mysql get date from datetime
SQL
2 votes290 views1 answer
Get first 3 letters name in sql
SQL
3 votes270 views1 answer
If 0 return null else return query mysql
SQL
20 votes307 views5 answers
Reset auto increment mysql
SQL
5 votes256 views1 answer
Copy table from one database to another mysql
SQL
50 votes437 views6 answers
Sql count duplicate rows
SQL