Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Question
Chapter 14, Problem 20E
a)
Program Plan Intro
Introduction:
- In case of B+- trees, only child nodes contain the actual key values and non-leaf contains the temporary values. Here, the key values stored in increasing order.
- In the relation R(A,B,C), the search keys are R(A,B).
b)
Explanation of Solution
- In the second condition 10<A<50 and 5<B<10, the same number of records found in both cases. Because the matching tuples between the...
c)
Explanation of Solution
- The condition that satisfies to work on B+-trees retrieval is easy as per the two cases, if the number of records for first case n1 and number of records in the second case n2 must be same. i.e. n1=n2...
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