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Database Concepts Quiz

Authored by DR. DEY

Computers

Professional Development

Used 1+ times

Database Concepts Quiz
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10 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What type of database model organizes data in tables with rows and columns?

Hierarchical

Network

Relational

Object-Oriented

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

In a database, what is a unique identifier for each record in a table called?

Primary key

Secondary key

Foreign key

Index key

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which SQL statement is used to retrieve data from a database?

UPDATE

DELETE

INSERT

SELECT

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

What is the purpose of normalization in a database?

Increase data redundancy

Optimize query speed

Reduce data redundancy

Improve data security

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which of the following is not a characteristic of a good database design?

Data integrity

Data redundancy

Scalability

Efficiency

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Which data type is used in SQL to store true or false values?

INT

BOOLEAN

VARCHAR

FLOAT

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

In SQL, which data type is best suited for storing large texts such as articles or comments?

TEXT

VARCHAR

CHAR

BLOB

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