CS代写 COMP9315 Final Exam

COMP9315 Final Exam

COMP9315 Final Exam

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The University of Wales

COMP9315 DBMS Implementation
Final Exam

DBMS Implementation

[Instructions] [Notes] [PostgreSQL] [C]

[Q1] [Q2] [Q3] [Q4] [Q5] [Q6] [Q7] [Q8]

Question 6 (3 marks)

Consider the following tuple space for a relation T(A,B)
which has been indexed/partitioned by a quad-tree.

How many nodes are in the quad-tree?

If we ask the query select * from R where A > 40 and B < 'f', then which quadrants (and sub-quadrants and ...) would need to be examined? How many tuples (appearing as x's on the diagram) would be in the result set? Show all working. Instructions: Type your answer to this question into the file called q6.txt Submit via:   give cs9315 exam_q6 q6.txt or via: Webcms3 > exams > Final Exam > Submit Q6 > Make Submission

End of Question

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