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University of Hail
Department of computer Science and Software Engineering
Ibtesam Salah saleh
Answer the following questions :
1- What is cache memory ?
Caching copying information into faster storage system; main memory can be
Exercises in Database Management Systems
Chapter 6: Transactions
Exercise 1 List the ACID properties. Explain the usefulness of each.
Exercise 2 Suppose that there is a database system that never fails. Is a recovery
manager required for this system?