441 B
441 B
| id | challengeType | videoId |
|---|---|---|
| 5e7b9f180b6c005b0e76f08d | 11 | -orenCNdC2Q |
--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