blob: 72bca3609e719e09893d942c9ee8180e3bbf80b5 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
|
DECLARE @constraint_name NVARCHAR(MAX), @table_name NVARCHAR(MAX), @column_name NVARCHAR(MAX)
SET @table_name = 'ciacontato'
SET @column_name = 'idfonetipo'
select TOP 1 @constraint_name = fk.name
from sys.tables tab
inner join sys.columns col on col.object_id = tab.object_id
inner join sys.foreign_key_columns fk_cols on fk_cols.parent_object_id = tab.object_id and fk_cols.parent_column_id = col.column_id
inner join sys.foreign_keys fk on fk.object_id = fk_cols.constraint_object_id
WHERE tab.name = @table_name and col.name = @column_name;
DECLARE @sqlDrop NVARCHAR(MAX) = N'ALTER TABLE ' + @table_name + ' DROP CONSTRAINT ' + @constraint_name + ';'
IF @constraint_name IS NOT NULL
exec sp_executesql @sqlDrop
|
