Scenario:
You are working as SQL Server developer, you are asked to provide the scripts those can be used to drop Foreign Key Constraints on all the tables in a database if exists.
Solution:
We can use system view to generate the drop Foreign Key Constraints for all the tables in SQL Server Database by using below query.
USE YourdatabaseName
go
-- Drop Foreign Key Constraints Script
SELECTdistinct'ALTER TABLE '
+ '['+ Schema_name(FK.schema_id)
+ '].['+ OBJECT_NAME(FK.parent_object_id)
+ ']'+ ' DROP CONSTRAINT '
+ '[' + FK.name + ']'AS DropConstraintQuery
FROM sys.foreign_keys AS FK
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| How to drop all the Foreign Key Constraints in SQL Server Database |
Execute above query and then take the results and run in SSMS to drop all the Foreign Key Constraint in database.
