Multiple Choice
Each student at a university takes many courses; each course is taken by many students. The semester that a student took a course and the grade that the student received in the course is called _____ data.
A) index
B) key
C) pointer
D) direct access
E) intersection
Correct Answer:

Verified
Correct Answer:
Verified
Q16: A one-to-many unary relationship allows an occurrence
Q17: Draw an entity-relationship diagram that describes the
Q18: A many-to-many unary relationship allows an occurrence
Q19: A one-to-many binary relationship allows an occurrence
Q20: Draw an entity-relationship diagram that describes the
Q22: The modality of a relationship is the
Q23: An associative entity is an alternate way
Q24: An associative entity is an alternate way
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Q26: It is possible to have a many-to-many