Author Question: Given only the following excerpt of an E-R model: Which of the following is known to be true? A) ... (Read 35 times)

Frost2351 · **on:** Jul 7, 2018

Given only the following excerpt of an E-R model: Which of the following is known to be true?

A) There are more instances of ENTITY A than there are instances of ENTITY B in the user's environment.
B) A single instance of ENTITY B may be related to many instances of ENTITY A.
C) A single instance of ENTITY A must be related to many instances of ENTITY B.
D) ENTITY A has a minimum cardinality of one.
E) The degree of the relationship is many.

Question 2

Any table that meets the requirements of a(n) ________ is in first normal form.

Fill in the blank(s) with correct word