Câu hỏi về cơ sở dữ liệu

Câu hỏi về cơ sở dữ liệu

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139 Qs

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Câu hỏi về cơ sở dữ liệu

Câu hỏi về cơ sở dữ liệu

Assessment

Quiz

English

University

Practice Problem

Hard

Created by

Doan Duyen

Used 1+ times

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139 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a database?

A program consisting of many commands

A matrix

A relationship

A structured set of data stored in a computer

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which statement is correct about the components of a database system?

Data, hardware

Data, hardware, software, and users

Data, software

Data, users

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the significance of tables in a relational data model?

Each table is called a relation/entity type/file

Each table is called a database

Each table is called an object

Each table is called information

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What issues does a database need to address?

Ownership, security, and authorization, data disputes, ensuring safety

Ownership, security, and authorization

Ownership, security, and authorization, data disputes

Ownership

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does the image below describe?

Database table

External level

Database architecture

Layered model

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which statement is correct about structured and unstructured databases?

Structured databases have organized and clear relationships between components, while unstructured databases do not have clear structure

Both structured and unstructured databases have organized and clear relationships between components

Both structured and unstructured databases do not have clear structure

Structured databases do not have clear structure, while unstructured databases do

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Who is responsible for organizing the content of the database, creating and granting access rights to users, and protecting data safety in case of incidents?

System analyst and designer

Database administrator

Application programmer

End user

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