Add the following facts to the sample database in Figure 26.11: SUPERVISE(ahmad, bob), SUPERVISE(franklin, gwen) First modify
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Add the following facts to the sample database in Figure 26.11:
SUPERVISE(ahmad, bob), SUPERVISE(franklin, gwen)
First modify the supervisory tree in Figure 26.11(b) to reflect this change. Then construct a diagram showing the top-down evaluation of the query SUPERIOR(james, Y) using rules 1 and 2 from Figure 26.12.
Figure 26.11
Figure 26.11(b)
Figure 26.12
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Related Book For
Fundamentals Of Database Systems
ISBN: 9780133970777
7th Edition
Authors: Ramez Elmasri, Shamkant Navathe
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