200 Level Computer Science exam questions and the detailed answers. Download the answers in document format. Correct, detailed, and straightforward answers.
Questions:
(a) Draw the symbols that represent each of the following in an ER-Model:
(i) Entity Set
(ii) Attributes
(iii) Relationship Set
(iv) Primary Key
(v) Weak Entity Set
(vi) Many-to-Many Relationship
(vii) Many-to-One Relationship
(viii) One-to-One Relationship
(ix) Multivalued Attribute
(x) Cardinality Limit
(b) Give two classifications of ER-Model Attributes and a brief explanation for each classification.
