以下哪个选项是正确的json数据格式:
A: {"id":2,"userName":admin,"passWord":12345,"email":admin@qq.com}
B: {id:2,userName:"admin",passWord:"12345",email:"admin@qq.com"}
C: {"id":2,"userName":"admin","passWord":"12345","email":"admin@qq.com",}
D: {"id":2,"userName":"admin","passWord":"12345","email":"admin@qq.com"}
A: {"id":2,"userName":admin,"passWord":12345,"email":admin@qq.com}
B: {id:2,userName:"admin",passWord:"12345",email:"admin@qq.com"}
C: {"id":2,"userName":"admin","passWord":"12345","email":"admin@qq.com",}
D: {"id":2,"userName":"admin","passWord":"12345","email":"admin@qq.com"}
D
举一反三
- 以下哪个选项是正确的json数据格式() A: { “id”: 2, “userName”: admin, “passWord”: 12345, “email”:[email protected]} B: { id: 2, userName: “admin”, passWord: “12345”, email: “[email protected]”} C: { “id”: 2, “userName”: “admin”, “passWord”: “12345”, “email”: “[email protected]”,} D: { “id”: 2, “userName”: “admin”, “passWord”: “12345”, “email”: “[email protected]”}
- 以下哪个选项是正确的json数据格式: A: { "id": 2, "userName": admin, "passWord": 12345, "email": admin@qq.com} B: { id: 2, userName: "admin", passWord: "12345", email: "admin@qq.com"} C: { "id": 2, "userName": "admin", "passWord": "12345", "email": "admin@qq.com",} D: { "id": 2, "userName": "admin", "passWord": "12345", "email": "admin@qq.com"}
- 下面使用SET语句将root用户的密码修改为admin的描述中,正确的是()。 A: 直接在命令行中执行:SET PASSWORD=password('admin'); B: 直接在命令行中执行:SET PASSWORD='admin'; C: root登录到MySQL,再执行:SET PASSWORD=password('admin'); D: root登录到MySQL,再执行:SET PASSWORD=password(admin);
- 对以下SQL语句描述正确的是( )delete from user where id not in (select id from admin) A: 删除user表中id在admin表的所有数据 B: 删除user表中id不在admin表的所有数据 C: 删除user表中所有数据 D: 删除admin表中id不在user表的所有数据
- 如何查看系统登录名为Admin的帐户信息 A: net user Username B: usernet C: usernetAdmin D: net user Admin
内容
- 0
从数据表中查询用户信息,以下语句中不正确的是( ) 。 A: select<br/>* from user; B: select<br/>username,password from user; C: select<br/>* from user order username; D: select<br/>* from user where username="admin";
- 1
在DOS命令提示符下输入命名可以查看admin用户的信息? A: net user B: net user Username C: net user admin D: net user administrater
- 2
8000系列终端,WEB登录的初始用户名和密码是() A: admin\admin B: debug\debug C: admin\空 D: Admin\Admin
- 3
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- 4
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