Exam 10: Database Management

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A hypermedia database contains text links to other types of documents.

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A Web database usually resides on a(n) ____.

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The developer of a relational database refers to a record as a(n) ____.

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A database includes a group of related data files.

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When a company uses the ____________________, many programs and users share the data in a database.

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When users modify data in a database, they make changes to multiple files instead of one file.

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Writing a CGI script requires computer programming skills.

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Cost-effective information ____.

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____ is a computer phrase that points out the accuracy of a computer's output depends on the accuracy of its input.

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A(n) ____________________ stores data in objects.

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Object (also called ____) is a common data type that includes photograph, audio, video, or a document created in other applications.

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Identify the letter of the choice that best matches the phrase or definition.
This database capability is one of the more powerful database features.
AutoNumber
To simplify the query process, many DBMSs provide these to guide users through the steps of creating a query.
check digit
Often confirms the accuracy of a primary key value.
relationships
Correct Answer:
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Premises:
Responses:
This database capability is one of the more powerful database features.
AutoNumber
To simplify the query process, many DBMSs provide these to guide users through the steps of creating a query.
check digit
Often confirms the accuracy of a primary key value.
relationships
Can limit the type of data that can be entered, often allowing a user to select from a list.
data
Type of Web database that stores photos, videos, recordings and other personal media with other registered users
validation
This data type is a unique number automatically assigned by a DBMS to each added record.
data dictionary
In addition to storing data, a relational database also stores these.
wizards
The database approach allows nontechnical users to access and maintain data, providing they have these.
DBMS
Kind of rules that decrease data entry errors, and thus enhance the data's integrity.
flagged
When searching for data in a database, users often specify this.
field name
While a user is working with the database, this resides in the memory of the computer.
SQL
Whether designed for a small or large computer, most DBMSs perform common ones.
querying
If entered data fails this kind of check, the computer should display an error message that instructs the user to enter the data again.
privileges
This type of information can lead to incorrect decisions.
byte
Kind of backup that is costly but which is growing in popularity because of the benefits.
inaccurate
Eight bits grouped together in a unit comprise this.
validity
What is done to a record so the DBMS will not process it again.
collaborative
The more errors the data contains, the lower this is.
integrity
Has special keywords and rules that users include in SQL statements.
continuous
Computers process information in a database into this.
functions
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In the past, few organizations exclusively used file processing systems to store and manage data.

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A DBMS places a copy of the record prior to a change, called the ____________________, in the log.

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Occasionally, a database can be damaged or destroyed because of ____.

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A(n) ____________________ consists of simple, English-like statements that allow users to specify the data to display, print, or store.

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A DBMS uses the ____ to perform validation checks.

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More complex DBMSs maintain a(n) ____, which is a listing of activities that change the contents of a database.

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The DBA does all of the following except ____.

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DBMSs that maintain inactive data for an extended period of time seldom flag records.

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