Databases Reference
In-Depth Information
(c)
to provide fault-tolerant data storage
(d)
to organize data for easy retrieval
15.
Which of the following is NOT a reason for organizing data in a
database?
(a)
to provide fault tolerant storage
(b)
to reduce the space required for storage
(c)
to optimize data retrieval times
(d)
to force a structure on the data
16.
Database backups are an example of which of the following?
(a)
data organization
(b)
access security
(c)
physical security
(d)
user access methods
Applying This Chapter
1.
You are trying to justify a computerized data management system to
your supervisor. You work in a service industry that deals directly with
customers. How could collecting information about your customers pro-
vide a competitive edge? What kind of software would you need to
detect trends and make projections about customer activities?
2.
You have been asked to design a database application for a company in
the retail industry. The company sells through physical stores, through
telephone sales, and through e-commerce over the Internet. How can you
determine the best sources of information for each of the sales efforts?
How can you determine what information you need to collect from each
of the sales efforts?
3.
Your company has implemented a database management system to track
all business-related data from the company. Access to the data should be
limited to employees only. How can you ensure this? What other access
protections should you place on the data? What guidelines should you
use in determining levels of user access? What methods can you use to
protect the data against loss or corruption?
