Scenario:
You are working as SQL Server developer, you need to generate scripts to drop all Unique Constraints in SQL Server Database.Solution:
The below syntax can be used to drop Unique Constraint on table.
Alter table [SchemaName].[TableName]
Drop Constraint [ConstraintName]
The below query can be used to generate drop Unique Constraints in SQL Server database.
SELECT
Table_Schema,
Table_Name,
Constraint_Name,
'Alter table ['
+Table_Schema+'].['
+Table_Name+']'
+' Drop Constraint ['+Constraint_Name+']'
as DropUniqueConstraintQuery
FROM INFORMATION_SCHEMA.TABLE_CONSTRAINTS
WHERE CONSTRAINT_TYPE = 'UNIQUE'
 |
| Generate scripts to drop Unique Constraint in SQL Server Database |