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

---
id: 5e7b9f170b6c005b0e76f08b
title: Make a Relational Database
challengeType: 11
videoId: MQ5z4bdF92U
dashedName: make-a-relational-database
---

# --question--

## --text--

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

## --answers--

```sql
SELECT Users WHERE email="quincy@freecodecamp.org"
```

---

```sql
SELECT Users WHERE email IS "quincy@freecodecamp.org"
```

---

```sql
SELECT ALL Users WHERE email="quincy@freecodecamp.org"
```

---

```sql
SELECT * FROM Users WHERE email IS "quincy@freecodecamp.org"
```

---

```sql
SELECT * FROM Users WHERE email="quincy@freecodecamp.org"
```

## --video-solution--

5