Answered step by step
Verified Expert Solution
Question
1 Approved Answer
After enforcing foreign key constraint using on delete cascade rule, is it possible to delete a record in the child relation whose foreign key value
After enforcing foreign key constraint using on delete cascade rule, is it possible to delete a record in the child relation whose foreign key value is NOT NULL before deleting the corresponding primary key record in the parent relation? please explain in detail.
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Enforcing a foreign key constraint with the ON DELETE CASCADE rule means that when a record in the p...
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started
Database Systems Introduction to Databases and Data Warehouses
Authors: Nenad Jukic, Susan Vrbsky, Svetlozar Nestorov
1st edition
978-1943153190, 1943153191, 978-0132575676
