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MGMT 411 Management - Binghamton University - Solution to Database Systems Homework #5
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6

April 2023

2022/2023

A+
Solution to Database Systems Homework #5 1. (8 points) Use an example to explain when and why a primary index on an attribute A of relation R can result in better performance (i.e., lower I/O cost) than a secondary index on the same attribute. 2. Suppose relation R has 5,000,000 tuples such that each tuple occupies 200 bytes. The tables are stored in consecutive storage spaces on disk. We want to create a B+ tree index based on attribute A of R. Suppose the type of A is char(6), each address/poi...
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