CHAPTER 1 MULTIPLE CHOICE Flashcards
The term _____ refers to an organization of components that define and regulate the collection, storage, management and use of data within a database environment.
a. structured data
b. management system
c. transaction
d. database system
Database system
An XML database supports the storage and management of _____ XML data.
a. fullystructured
b. structured
c. multistructured
d. semistructured
Multistructured
The database structure in a DBMS is stored as a _____.
a. set of key/value pairs
b. single file
c. collection of queries
d. collection of files
Collection of files
A workgroup database is a(n) _____ database.
a. distributed
b. desktop
c. single-user
d. multiuser
Multiuser
_____ is the body of information and facts about a specific subject.
a. Knowledge
b. A format
c. Validation
a. A database
Knowledge
Which of the following is true of spreadsheet applications?
a. They do not allow manipulation of data once entered.
b. They are a better alternative to databases.
c. They enhance the user’s ability to understand the data.
d. They provide enhanced security and robust data sharing features.
They enhance the user’s ability to understand the data.
The organization of data within folders in a manual file system is determined by _______.
a. its date of creation
b. its expected use
c. the data processing specialist
d. the title of the documents in the folder
Its expected use
_____ is defined as the condition in which all of the data in the database are consistent with the real-world events and conditions.
a. Data quality
b. Data ubiquity
c. Data anomaly
d. Data integrity
Data integrity
_____ serve as the intermediary between the user and the database.
a. End-user data
b. Programming languages
c. DBMSs
d. Metadata
DBMSs
Most data that can be encountered are best classified as _____.
a. semistructured
b. unstructured
c. structured
d. historical
semistructured
_____ are the result of formatting disorganized data in order to facilitate storage, use and generation of information.
a. Raw data
b. Unstructured data
c. Structured data
d. Obsolete data
Structured data
_____ data exist in a format that does not lend itself to processing that yields information.
a. Historical
b. Semistructured
c. Unstructured
d. Structured
Unstructured
Which of the following refers to the situation where different versions of the same data are stored at different places because they weren’t updated consistently?
a. Data query
b. Data dictionary
c. Data integrity
d. Data redundancy
Data redundancy
_____ data exist in the format in which they were collected.
a. Unstructured
b. Structured
c. Semistructured
d. Historical
Unstructured
A(n) _____ database is used by an organization and supports many users across many departments.
a. transactional
b. enterprise
c. workgroup
d. desktop
enterprise
The response of the DBMS to a query is the ___________
a. integrated view of the data
b. query result set
c. ad hoc response
d. ad hoc query
Query result set
_____ provide a description of the data characteristics and the set of relationships that link the data found within the database.
a. Schemas
b. Metadata
c. End-user data
d. Queries
Metadata
_____ relates to the activities that make the database execute transactions more efficiently in terms of storage and access speed.
a. Database management
b. Performance tuning
c. Database design
d. Query access
Performance tuning
A data warehouse contains historical data obtained from the _____.
a. operational databases
b. enterprise databases
c. workgroup databases
d. desktop database
Operational databases
_____ exists when different versions of the same data appear in different places.
a. Structural dependence
b. Data inconsistency
c. Conceptual dependence
d. Poor data security
Data inconsistency
A _____ is a collection of related records.
a. column
b. field
c. schema
d. file
File
End-user data is _____.
a. raw facts of interest to the end user
b. knowledge about the end users
c. accurate, relevant and timely information
d. information about a specific subject
raw facts of interest to the end user
_____ is the result of revealing the meaning of raw facts.
a. End-user data
b. An encrypted bit
c. An encoded sample
d. Information
Information
Accurate, relevant, and timely information is the key to ____.
a. good decision making
b. understanding
c. knowledge
d. data management
good decision making
A(n) _____ database supports a relatively small number of users (usually fewer than 50) or a specific department within an organization.
a. workgroup
b. transactional
c. desktop
d. enterprise
workgroup
A desktop database is a _____ database.
a. single-user
b. distributed
c. workgroup
d. multiuser
single-user
A _____ is a character or group of characters that has a specific meaning.
a. field
b. database
c. record
d. file
Field
Data is said to be verifiable if:
a. the data is obtained from trusted sources.
b. the data is stored in different places within the database.
c. the data always yields consistent results.
d. the data cannot be changed or manipulated.
the data always yields consistent results.
A(n) _____ might be written by a programmer or it might be created through a DBMS utility program.
a. application
b. query
c. operating system
d. database management system
application
A _____ is a logically connected set of one or more fields that describes a person, place, or thing.
a. database
b. column
c. record
d. file
Record
