Question: What is Referential Integrity? An ERD is correctly translated into a Relational Schema. Primary Keys must have values. A Primary Key in a Table must
What is Referential Integrity?
An ERD is correctly translated into a Relational Schema.
Primary Keys must have values.
A Primary Key in a Table must be related to a Candidate Key in an Entity.
The value of a Foreign Key FK in a Table must either match one of the values in the primary key column of the referred Table or the value must be Null.
Step by Step Solution
There are 3 Steps involved in it
1 Expert Approved Answer
Step: 1 Unlock
Question Has Been Solved by an Expert!
Get step-by-step solutions from verified subject matter experts
Step: 2 Unlock
Step: 3 Unlock
