Ques 13-II-D-13

13. An ER Model includes
I.   An ER diagram portraying entity types.
II.  Attributes for each entity type
III. Relationships among entity types.
IV.  Semantic integrity constraints that reflects the business rules about data not captured in the ER diagram.
(A) I, II, III & IV   
(B) I&IV
(C) I, II & IV        
(D) I & III

ANS-(A)