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"}
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