Answered step by step
Verified Expert Solution
Question
1 Approved Answer
A foreign key in which all columns are NULL is known as a _ _ _ _ _ foreign key? simple composite fully NULL NULL
A foreign key in which all columns are NULL is known as a foreign key?
simple
composite
fully NULL
NULL
Step by Step Solution
There are 3 Steps involved in it
Step: 1
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