Database Relationships

Database Relationships

10th - 12th Grade

10 Qs

quiz-placeholder

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Database Relationships

Database Relationships

Assessment

Quiz

Computers

10th - 12th Grade

Practice Problem

Medium

Created by

Ismael Nobre

Used 26+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Semantic relationships take a higher and more non-specific view of the relationship.

True

False

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is a candidate key?

Any attribute, or group of attributes, that can uniquely identify a tuple in a relation.

Any attribute, or group of attributes, that has no super key subsets.

Any attribute, or group of attributes, that has been selected to be the unique identifier of each tuple in a relation.

A combination of two fields that together can uniquely identify a record.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Complete the sentence below.

A _____ key is an attribute of a table that matches a primary key attribute in another table to create a relationship.

Candidate

Primary

Foreign

National

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A composite key is a combination of two fields that together can uniquely identify a record.

True

False

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Complete the sentence below.

A ____________ relationship is where a single record of a table is related to a single record of another table.

Many-to-many

Many-to-one

One-to-one

One-to-many

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Complete the sentence below.

________ integrity is a rule that states that every entity must have a primary key field and the values in that field must be unique to each record.

Entity

Primary

True

False

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What type of relationship should we not use in our database structure?

One-to-One

One-to-Many

Many-to-Many

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