Waiting for answer This question has not been answered yet. You can hire a professional tutor to get the answer.
QUESTION
(no min word count) Give examples of binary 1:
(no min word count)Give examples of binary 1:N relationships, other than those in the textbook, for (a) an optional-to-optional relationship, (b) an optional-to-mandatory relationship, (c) a mandatory-to-optional relationship, and (d) a mandatory-to-mandatory relationship. Illustrate your answer using IE Crow’s Foot E-R diagrams.
