--- id: 5e7b9f170b6c005b0e76f08b title: 建立关系数据库 challengeType: 11 videoId: MQ5z4bdF92U bilibiliIds: aid: 249380678 bvid: BV1vv411E76L cid: 377531786 dashedName: make-a-relational-database --- # --question-- ## --text-- 您将使用什么 SQL 命令来检索具有电子邮件地址 `quincy@freecodecamp.org` 的所有用户? ## --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