ER Model and Business Rules
Which of the following statements concerning business rules is true?

All of these
It should not be convertible to computer code.
It may include restrictions.
It should be complex.

ANSWER DOWNLOAD EXAMIANS APP

ER Model and Business Rules
A supertype/subtype hierarchy has which of the following features?

Attributes are assigned at the lowest logical level.
Subtypes at the lower lever in the hierarchy inherit attributes only from their immediate supertype.
Attributes are assigned at the highest logical level.
Subtypes at the higher lever in the hierarchy inherit attributes only from their immediate subtype.

ANSWER DOWNLOAD EXAMIANS APP