làm chủ database trong 1 quiz?

làm chủ database trong 1 quiz?

University

28 Qs

quiz-placeholder

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làm chủ database trong 1 quiz?

làm chủ database trong 1 quiz?

Assessment

Quiz

Computers

University

Easy

Used 10+ times

FREE Resource

28 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A relational database consists of a collection of

Table

Record

Field

Key

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What term is used to refer a row?

Field

Foreign key

Primary key

Record

Answer explanation

Also called an entry in a table

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A ... in a table represents a relationship among a set of values:

Record

Field

Primary key

Foreign key

4.

MULTIPLE SELECT QUESTION

1 min • 2 pts

A attribute in a relation is a foreign key if the ... from one relation is used as an attribute in that relation.

Candidate key

Foreign key

Primary key

Field

Record

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Some advantages of the database approach include all, but:

Program-data dependency

Improved data consistency

Improved data sharing

Minimal data redundancy

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A database management system (DBMS) is a

Software system used to create, maintain, and provide controlled access to a database

Software system used to create, maintain, and provide uncontrolled access to a database

Hardware system used to create, maintain, and provide controlled access to a database

Hardware system used to create, maintain, and provide uncontrolled access to a database

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The following are functions of a DBMS except

Creating database

Processing database

Creating and processing forms

Administrating database

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