Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Expert Solution & Answer
Chapter 13, Problem 6PE
Explanation of Solution
Partitioning on takes relation:
- The larger databases allow the records in a relation to be partitioned to smaller relations and store it separately.
- The table partitioning is done based on some attribute value in the relation.
- In the given situation, where the university
database stores the values for many years, the partition can be done if required. - The takes relation is one of the relations in the university database in which the data of the student who takes different courses from different department in different year are stored. So the takes relation contains huge amount of data.
- The table takes can be partitioned on the basis of an attribute called “year”...
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5. Here is a tree corresponding to T(64) for an unknown recurrence relation:
32 + lg 64
8+ lg 16
2+ lg 4
2+lg4
2+lg4
8+ lg 16
2+lg4
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7
7
7
7
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Fill in the details for the corresponding recurrence relation:
T(n) =
T(n/4)+
T(1)=
Put scratch work below. Scratch work is not graded but may be used for regrade
partial credit.
Top screenshot is question, the rest are examples and explinations.
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