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Databases – Fields, records, queries

Ict

high_school

10 questions

~20 mins

0 views0 downloads

About This Worksheet

A comprehensive ICT worksheet on Databases – Fields, records, queries for high school students. Includes a variety of question types including multiple choice, short answer, and true/false questions.

Topics covered:

#ict

#databases

#education

Worksheet Preview

Full preview • 10 questions

Databases – Fields, records, queries

Subject: IctGrade: high_school

Name:

Date:

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Databases – Fields, records, queries

ICT

Instructions: Read each question carefully and provide your answers in the spaces provided. For multiple choice questions, choose the correct option. For short answer questions, write your answer in the space provided. True/false questions require you to determine if the statement is correct or incorrect.

Multiple Choice Questions

Select the correct answer for each question.

What is a field in a database?

AA) A single piece of information

BB) A collection of records

CC) A type of software

DD) A table that contains data

Which of the following is a record?

AA) A column in a table

BB) A complete set of fields for a single entry

CC) A type of query

DD) A database management system

What does a query do in a database?

AA) It modifies the data

BB) It retrieves specific data

CC) It creates a new database

DD) It deletes records

Which of the following best describes data integrity?

AA) The accuracy and consistency of data

BB) The security of data

CC) The speed of data retrieval

DD) The size of the database

In a relational database, which of the following is true?

AA) Each table must have a primary key

BB) Tables cannot be related

CC) Data cannot be updated

DD) All data must be in one table

What is the purpose of normalization in database design?

AA) To improve performance

BB) To eliminate data redundancy

CC) To increase data security

DD) To create backups

Which SQL command is used to update existing records in a database?

AA) SELECT

BB) UPDATE

CC) INSERT

DD) DELETE

What is a primary key?

AA) A field that uniquely identifies a record

BB) A field that allows duplicates

CC) A type of data entry

DD) A command in SQL

Which of the following is a common database management system (DBMS)?

AA) Microsoft Word

BB) MySQL

CC) Adobe Photoshop

DD) Microsoft Excel

10.

What does the term 'foreign key' refer to?

AA) A key used for accessing a database remotely

BB) A field that links two tables together

CC) A command in SQL

DD) A type of primary key

True/False Questions

Circle True or False for each statement.

A record can contain multiple fields.

TrueFalse

All fields in a database must be of the same data type.

TrueFalse

Data can be extracted from a database using queries written in SQL.

TrueFalse

Short Answer Questions

Answer each question in the space provided.

Define a database and explain its importance in data management.

What are the key differences between a primary key and a foreign key?

Explain what a query is and provide an example.

What is data integrity, and why is it important?

Describe the process of normalization in database design.

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Answer Key

Multiple Choice Questions

Question 1: What is a field in a database?

Answer: A) A single piece of information

Question 2: Which of the following is a record?

Answer: B) A complete set of fields for a single entry

Question 3: What does a query do in a database?

Answer: B) It retrieves specific data

Question 4: Which of the following best describes data integrity?

Answer: A) The accuracy and consistency of data

Question 5: In a relational database, which of the following is true?

Answer: A) Each table must have a primary key

Question 6: What is the purpose of normalization in database design?

Answer: B) To eliminate data redundancy

Question 7: Which SQL command is used to update existing records in a database?

Answer: B) UPDATE

Question 8: What is a primary key?

Answer: A) A field that uniquely identifies a record

Question 9: Which of the following is a common database management system (DBMS)?

Answer: B) MySQL

Question 10: What does the term 'foreign key' refer to?

Answer: B) A field that links two tables together

True/False Questions

Question 1: A record can contain multiple fields.

Answer:

Question 2: All fields in a database must be of the same data type.

Answer: See full answer key

Question 3: Data can be extracted from a database using queries written in SQL.

Answer:

Short Answer Questions

Question 1: Define a database and explain its importance in data management.

Answer: A database is an organized collection of structured information or data, typically stored electronically in a computer system. It is important for data management as it allows for efficient storage, retrieval, and manipulation of data.

Question 2: What are the key differences between a primary key and a foreign key?

Answer: A primary key uniquely identifies a record within its own table, while a foreign key is a field in one table that links to the primary key of another table.

Question 3: Explain what a query is and provide an example.

Answer: A query is a request for data or information from a database. For example, an SQL query to retrieve all records from a table could be: SELECT * FROM Students;

Question 4: What is data integrity, and why is it important?

Answer: Data integrity refers to the accuracy and consistency of data. It is important because it ensures reliable data for decision-making and operations.

Question 5: Describe the process of normalization in database design.

Answer: Normalization is the process of organizing data in a database to reduce redundancy and improve data integrity. It typically involves dividing a database into tables and defining relationships between them.

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Details

Created: 4/14/2025
Updated: 12/29/2025
Type: worksheet

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