35 lines
533 B
Markdown
35 lines
533 B
Markdown
---
|
|
id: 5e7b9f180b6c005b0e76f08d
|
|
title: Representing Relationships in a Relational Database
|
|
challengeType: 11
|
|
videoId: '-orenCNdC2Q'
|
|
dashedName: representing-relationships-in-a-relational-database
|
|
---
|
|
|
|
# --question--
|
|
|
|
## --text--
|
|
|
|
What is a foreign key?
|
|
|
|
## --answers--
|
|
|
|
A key that is not supposed to be there.
|
|
|
|
---
|
|
|
|
A key that uses non-latin characters.
|
|
|
|
---
|
|
|
|
A number that points to the primary key of an associated row in a different table.
|
|
|
|
---
|
|
|
|
A key that the "real world" might use to look up a row.
|
|
|
|
## --video-solution--
|
|
|
|
3
|
|
|