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QTHTTT_Giữa kỳ 05

Authored by Tai Nguyen

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QTHTTT_Giữa kỳ 05
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25 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The action of including only some columns for output while retrieving data is known as ____.

a. selecting
b. linking
c. joining
d. projecting

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The smallest piece of data used by a computer is a(n) _____

a. byte
b. bit
c. entity
d. character

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A _____ is a simple database program whose records have no relationship to one another.

a. schema
b. user view
c. flat file
d. relational system

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A collection of fields all related to a single object, activity, or individual is a(n) _____.

a. file
b. attribute
c. record
d. character

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Suppose a new tech startup wants to define the data model. They would then ____.

a. acquire a new database management system
b. create the entity-relationship model
c. collect and cleanse the data
d. define user access privileges

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The position of a _____ is a non-technical position responsible for defining and implementing consistent principles for setting data standards and data definitions that apply across all the databases in an organization.

a. data owner
b. data analyst
c. data administrator
d. database administrator

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A database is a collection of integrated and related _____.

a. fields
b. records
c. attributes
d. files

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