Author Question: Entity integrity constraints are rules that govern the composition of primary keys. Indicate ... (Read 19 times)

jilianpiloj · **on:** Jul 7, 2018

Entity integrity constraints are rules that govern the composition of primary keys.

Indicate whether the statement is true or false

Question 2

A private attribute on a class diagram:

A) does not change its value for different object instances.
B) is hidden from all classes except immediate subclasses.
C) is only available in the object.
D) is available to the class and all classes that have relationships with the attribute's class.