Consider the E-R diagram in Figure 8-15b. a. What would be the identifier for the CERTIFICATE associative
Question:
Consider the E-R diagram in Figure 8-15b.
a. What would be the identifier for the CERTIFICATE associative entity if Certificate Number were not included?
b. Now assume that the same employee may take the same course multiple times, on different dates. Does this change your answer to Problem and Exercise 7a? Why or why not?
Figure 8-15b
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Related Book For
Modern Systems Analysis And Design
ISBN: 9780132991308
7th Edition
Authors: Jeffrey A Hoffer, Joey George, Joseph S Valacich
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