How many transactions should be part of a group

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Reference no: EM131877455

Problem

1. In the group-commit technique, how many transactions should be part of a group? Explain your answer.

2. Is a high-performance transaction system necessarily a real-time system? Why or why not?

3. In a database system using write-ahead logging, what is the worst-case number of disk accesses required to read a data item? Explain why this presents a problem to designers of real-time database systems.

Reference no: EM131877455

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