SQL - Foreign Key - On Delete Cascade - On Delete Set Null

preview_player
Показать описание
In this session we will understand the application of On Delete Cascade and On Delete Set Null clauses while creating Foreign Keys in SQL. Demo using Oracle 11g XE
Рекомендации по теме
Комментарии
Автор

Clearcut explanation thank you sir for ur efforts making this video

yegireddipratibha
Автор

If we don't use on delete cascade. Will it delete data from only one table?

prithvirajpatil