freeCodeCamp/curriculum/challenges/chinese/07-scientific-computing-with-python/python-for-everybody/make-a-relational-database.md

---
id: 5e7b9f170b6c005b0e76f08b
challengeType: 11
videoId: MQ5z4bdF92U
---

## Description
<section id='description'>

</section>

## Tests
<section id='tests'>

```yml
question:
  text: |
    What SQL command would you use to retrieve all users that have the email address quincy@freecodecamp.org?

  answers:
    - |
        ```
        SELECT Users WHERE email="quincy@freecodecamp.org"
        ```
    - |
        ```
        SELECT Users WHERE email IS "quincy@freecodecamp.org"
        ```
    - |
        ```
        SELECT ALL Users WHERE email="quincy@freecodecamp.org"
        ```
    - |
        ```
        SELECT * FROM Users WHERE email IS "quincy@freecodecamp.org"
        ```
    - |
        ```
        SELECT * FROM Users WHERE email="quincy@freecodecamp.org"
        ```
  solution: 5
```

</section>