Creating a Database — Unit test Answers

15 verified answers
3

Which characteristic of a relational database distinguishes it from a flat file?

A
A single table is accessed by a single user in a relational database.
B
A single table is accessed by many users in a relational database.
C
Several tables are linked together through common fields in a relational database.
D
Several tables are linked together through common users in a relational database.
4

What is a foreign key?

A
a security key to a database that stores foreign data
B
a security key to a database located in another country
C
a field in a table that uniquely identifies a record in a relational database
D
a field in a table that links it to other tables in a relational database
5

For what purposes do students collect data? Check all that apply.to check a statement’s credibilityto answer a questionto support an argumentto evaluate a statementto examine a question’s reliability

A
to check a statement’s credibility
B
to answer a question
C
to support an argument
D
to evaluate a statement
E
to examine a question’s reliability
7

What is the function of a primary key in a table?

A
to uniquely identify each record in the table
B
to uniquely identify foreign keys in the table
C
to secure table data
D
to secure the foreign keys in the table
9

Which is the best description of a hierarchical report?

A
a report with data in multiple columns
B
a report with one or more groups of records
C
a report with one or more reports within the main report
D
a report with records sorted in ascending or descending order
11

How do most database users perform data searches?

A
by using forms
B
by generating reports
C
by viewing tables
D
by performing calculations
13

An electronic spreadsheet is a type of

A
archive.
B
database.
C
document.
D
periodical.
15

What kind of report is a summary of a company’s total sales over a five-year period?

A
a product list
B
a market research report
C
a sales volume report
D
a customer list

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