ON DELETE SET NULL Clause of Foreign Key.
Something you need to consider when you are creating foreign keys is what happens if you delete the parent? As a reminder, the parent is the row that has the value you are referencing in the row that has a foreign key.
Watch video ON DELETE SET NULL Clause of Foreign Key. online without registration, duration hours minute second in high quality. This video was added by user Imran Rajper 22 July 2020, don't forget to share it with your friends and acquaintances, it has been viewed on our site 7 once and liked it 1 people.