Why we cannot simply apply a relational database system

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Reference no: EM131877452

Problem

1. Like database systems, workflow systems also require concurrency and recovery management. List three reasons why we cannot simply apply a relational database system using 2PL, physical undo logging, and C.

2. If the entire database fits in main memory, do we still need a database system to manage the data? Explain your answer.

3. Consider a main-memory database system recovering from a system crash. Explain the relative merits of

• Loading the entire database back into main memory before resuming transaction processing

• Loading data as it is requested by transactions.

Reference no: EM131877452

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