Latest RDBMS Aptitude Question SOLUTION: Q. Define the "integrity rules" A. There are two Integrity rules. Entity Integrity: States that primary key cannot have NULL value Referential Integrity: States that Foreign Key c

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(#M40029578) RDBMS question RDBMS Keep an EYE

Q. Define the "integrity rules"

A. There are two Integrity rules.
Entity Integrity: States that primary key cannot have NULL value
Referential Integrity: States that Foreign Key can be either a NULL value or should be Primary Key value of other relation.

Asked In RDBMS MAN (10 years ago)

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