Review Questions

1.Discuss physical storage media available on the computer system.
2.What is a file? What are records and data items in a file?
3.List down the factors that influence organisation of data in a database system.
4.What is a physical storage? Explain with block diagrams, a system of physically accessing the database.
5.A RAID system allows replacing failed disks without stopping access to the system. Thus, the data in the failed disk must be rebuilt and written to the replacement disk while the system is in operation. With which of the RAID levels is the amount of interference between the rebuild and ongoing disk accesses least? Explain.
6.How are records and files related?
7.List down the factors that influence the organisation ...

Get Database Systems: Concepts, Design and Applications now with O’Reilly online learning.

O’Reilly members experience live online training, plus books, videos, and digital content from 200+ publishers.