How to delete a row with data with its parent row in another table

Question

There are two tables [UserData] and [HotelData] I\'ve linked them with a foreign key. which is \"Username\" and I want to delete which

Answer 1

There is no need to write any code to delete data on the child table when you delete a record from the UserData table. Just use Cascade delete behavior. It means that if a record in the parent table is deleted, then the corresponding records in the child table will automatically be deleted.

Do the following steps:

1. Open the child table's designer and click Relationships
2. In the opened window and in the Table Designer expand INSERT And UPDATE Specification
3. Change the Delete Rule from No action to Cascade

Like the following image: