Multiple Choice
Consider the entity-relation (ER) diagram shown in the exhibit. When the logical database design phase is completed, which of the following is a valid DBDL description of the base relations for the ER diagram? 
A) STUDENT( Student_Number: integer NOT NULL Name: variable length character string length 20 NOT NULL) Primary Key Student_Number CLASS( Class_Num: integer NOT NULL Class_Name: integer NOT NULL) Primary Key Class_Num
B) Foreign Key Class_Num References STUDENT
C) STU_CLASS( Class_Num: integer NOT NULL)
D) Primary Key Student_Number, Class_Num
Correct Answer:
Verified
Correct Answer:
Verified
Q55: Which of the following best describes a
Q56: Consider the Information Engineering diagram shown in
Q57: What is a data dictionary?<br>A) A system
Q58: The exhibit shows a table called Activity
Q59: Consider the Project relation shown in the
Q61: Consider the table shown in the exhibit.
Q62: Consider the Orders relation shown in the
Q63: Your database administrator has disallowed a group
Q64: Your company must choose which type of
Q65: Which mechanism provides database users with controlled