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Topic 5 - Databases

Authored by D Hesketh

Computers, Other

11th - 12th Grade

Used 24+ times

Topic 5 - Databases
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20 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a relational database?

A database that is built from a set of unique tables containing data about one entity
 A database with one single large table
 A set of many databases about numerous, related topics

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is normalisation?

 Making databases larger so that they are easier to use
 Analysing how to make databases more efficient by using separate tables to reduce redundant data
 Setting the correct data types to all of the data in a database

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 Setting the correct data types to all of the data in a database

Built from a set of unique tables, each with a primary key, linked together with relationships
 Built upon one large table containing all the attributes, used to record a limited amount of data
A collection of separate tables in which all the data for the system is stored

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a foreign key?

 A foreign key is a primary key that appears in another table to create a relationship between the two tables
 A foreign key is a field that does not belong in that table
 A foreign key is a field that is a unique identifier in that entity

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What would you use a query for?

To export and present information from a database
 To enter data into a database
 To search and filter a database

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is an entity?

A table in a database
 A field in a database
 A record in a database

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Why would you create a report?

 To store data in the database
 To present data in a user-friendly way
 To search the database

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