S4: ERD AND SQL

S4: ERD AND SQL

11th Grade

13 Qs

quiz-placeholder

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S4: ERD AND SQL

S4: ERD AND SQL

Assessment

Quiz

Computers

11th Grade

Easy

Created by

Kieran Kyle

Used 2+ times

FREE Resource

13 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is an Entity Relationship Diagram (ERD)

A diagram showing the layout of a database

A drawing that shows how entities in a database are connected

A chart showing the processing speed of a database

A graph of user access to a database

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In a database what is an entity?

A command to retrieve data

A specific type of attribute

An individual item or object

A type of database software

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are attributes in a datase?

Rules for how data is stored

The relationships between entities

Properties or characteristics of an entity

Diagrams that represent database structure

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What does a one to many relationship in a database represent?

One entity is related to many attributes

One entity is connected to many other entities

Each entity can have only one attribute

Each entity can be part of only one database

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of an SQL SELECT statement?

To modify data in a database

To create a new table in a database

To retrieve data from a database

To delete data from a database

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In an ERD, what symbol typically represents a one to many relationship?

A single line connecting two entities

A crow's foot symbol next to one of the entities

A circle connecting two entities

A square symbol near one of the entities

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of these is an example of an entity in a school database?

A students name

A grade in a test

The Student table

The relationship between students and classes

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