What would be a candidate key for the Session table, besides the current key field of SessionNum?
Question:
What would be a candidate key for the Session table, besides the current key field of SessionNum? The design of the Session table is Session (SessionNum, SessionDate, PatientNum, LengthOfSession, TherapistID, TherapyCode).
a. SessionDate
b. PatientNum and TherapistID (compound key)
c. TherapyCode and PatientNum (compound key)
d. SessionNum is the only appropriate key field.
Fantastic news! We've Found the answer you've been seeking!
Step by Step Answer:
Related Book For
Concepts Of Database Management
ISBN: 9780357422083
10th Edition
Authors: Lisa Friedrichsen, Lisa Ruffolo, Ellen Monk, Joy L. Starks, Philip J. Pratt
Question Posted: