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base de datos

Total questions: 19

Worksheet time: 10mins

Name
Class
Date
1.

What is a database?

a)

A database is a programming language.

b)

A database is a type of computer hardware.

c)

A database is an organized collection of data stored electronically.

d)

A database is a collection of physical books.

2.

What do we use to manage databases?

a)

File Management System

b)

Web Server

c)

Database Management System (DBMS)

d)

Spreadsheet Software

3.

What is SQL used for?

a)

SQL is used for designing user interfaces.

b)

SQL is used for creating graphics and animations.

c)

SQL is used for managing file systems.

d)

SQL is used for managing and manipulating relational databases.

4.

Can you name a type of database?

a)

NoSQL Database

b)

Graph Database

c)

Relational Database

d)

Object-oriented Database

5.

What does it mean to organize data?

a)

To collect data from various sources without organization.

b)

To delete unnecessary data from a database.

c)

To visualize data using charts and graphs.

d)

To arrange and structure data systematically for easier access and analysis.

6.

What is a table in a database?

a)

A table is a single piece of data.

b)

A table is a method for storing images.

c)

A table is a structured collection of data in rows and columns.

d)

A table is a type of software application.

7.

What is a record in a database?

a)

A record is a type of database management system.

b)

A record is a collection of related data items stored together in a database.

c)

A record is a single data type in programming.

d)

A record is a method for querying a database.

8.

What is a field in a database?

a)

A field is a type of database management system.

b)

A field is a collection of all records in a database.

c)

A field is a command used to query a database.

d)

A field is a specific attribute or piece of data in a database record.

9.

What does it mean to keep data safe?

a)

To keep data safe means to store it in an unprotected location.

b)

To keep data safe means to protect it from unauthorized access, loss, or corruption.

c)

To keep data safe means to share it freely with others.

d)

To keep data safe means to delete it permanently.

10.

What is a backup?

a)

A backup is a method of data encryption.

b)

A backup is a type of software.

c)

A backup is a copy of data stored for recovery purposes.

d)

A backup is a hardware device.

11.

Why do we need to recover data?

a)

To create unnecessary backups.

b)

To enhance data retrieval speed.

c)

To restore lost or corrupted data and ensure business continuity.

d)

To increase data storage capacity.

12.

What is a user in a database?

a)

A user is a database administrator only.

b)

A user in a database is an individual or application that interacts with the database.

c)

A user is a backup of the database.

d)

A user is a type of database table.

13.

What is access control?

a)

A strategy for data encryption.

b)

Access control is a method of limiting access to resources based on user permissions.

c)

A technique for enhancing user experience.

d)

A method for increasing resource availability.

14.

What does it mean to share data?

a)

To share data means to store information in a secure location.

b)

To share data means to delete information permanently.

c)

To share data means to keep information private.

d)

To share data means to make information available to others.

15.

What is a query?

a)

A query is a type of database.

b)

A query is a method of data storage.

c)

A query is a request for data or information.

d)

A query is a programming language.

16.

How do we ask a database for information?

a)

Send an email to the database administrator.

b)

Access the database through a web browser.

c)

Use a spreadsheet to analyze data.

d)

Use a query language like SQL to construct and send a query to the database.

17.

What is normalization?

a)

Normalization is a method for increasing data redundancy.

b)

Normalization refers to the process of data encryption.

c)

Normalization is a database design technique that minimizes redundancy and dependency by organizing fields and table relationships.

d)

Normalization is a technique for data visualization.

18.

Why do we organize data in a certain way?

a)

To ensure data is stored randomly.

b)

To make data look more complex.

c)

To limit access to information.

d)

To improve accessibility and facilitate analysis.

19.

What is a primary key?

a)

A primary key is a type of foreign key.

b)

A primary key is an optional field in a database table.

c)

A primary key is a unique identifier for a record in a database table.

d)

A primary key is a duplicate identifier for records.