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Computing Essentials 2002-2003 Complete, 14/e
Timothy J. O'Leary
Linda I. O'Leary

Databases

Multiple Choice

Click on the correct response for each question below.



1

Select the correct order of complexity of the following data categories from least complex to most complex.
A)Field, character, file, record, database
B)Character, record, field, database, file
C)File, database, record, character, field
D)Character, field, record, file, database
2

The particular field of a record that uniquely identifies each record is called the:
A)key field.
B)primary field.
C)master field.
D)order field.
3

The technique used to calculate the address of a record in direct file organization is called:
A)thrashing.
B)morphing.
C)hashing.
D)directing.
4

Special software that creates, modifies, and accesses database files is referred to as a:
A)database management system.
B)database dictionary.
C)data organizer.
D)data access manager.
5

A network database is similar to a hierarchical database with the exception of this feature.
A)Query language
B)Many-to-many relationships
C)Parent and child nodes
D)One-to-many relationships
6

Relations between data elements are represented by ______ in a relational database.
A)columns
B)key fields
C)tables
D)files
7

One of the following is not an organizing element in an object oriented database.
A)Classes
B)Rows
C)Entities
D)Methods
8

A database where data is stored in more than one location, often in different locations than where the users are located, is known as a:
A)distributed database.
B)network database.
C)decentralized database.
D)Internet database.
9

A technique for searching special databases, called data warehouses, looking for related information and patterns is called:
A)data matching.
B)data query.
C)data banking.
D)data mining.
10

If a user would want access to a restricted database to work on a special project, this is the person they would see to grant them access.
A)Data boss
B)Database administrator
C)Data overseer
D)Database executor




McGraw-Hill/Irwin