• 2022-06-06
    将passwd文件中包含的root字符在终端窗口中显示输出的命令是( )。
    A: find password -name root
    B: grep root password
    C: grep password root
    D: find root -name password
  • B

    内容

    • 0

      连接MySQL服务器的指令是?() A: mysqladmin -u root password test B: mysql -u root password test C: mysql -u root -p test D: mysql -u root -password test

    • 1

      下面通过UPDATE语句将root用户的密码修改为mypwd2的语句中,正确的是 A: UPDATE mysql.user SET Password=PASSWORD('mypwd2') WHERE User='root' and Host='localhost'; B: UPDATE mysql.users SET Password=PASSWORD('mypwd2') WHERE User='root' and Host='localhost'; C: UPDATE mysql.users SET Password=PASSWORD('mypwd2') WHERE User='root' OR Host='localhost'; D: UPDATE mysql.user SET Password=PASSWORD('mypwd2') WHILE User='root' OR Host='localhost';

    • 2

      显示/etc/passwd文件中的带有root字样的行,并存储到一个名为root.txt的文件中,下面那些命令是正确的? A: cat /etc/passwd|grep root>root.txt B: grep root /etc/passwd>root.txt C: grep root /etc/passwd 1>root.txt D: cat /etc/passwd|grep "root">root.txt

    • 3

      将root用户的密码设置为“123456”,下列语句正确的是( )。 A: MODIFY USER 'root'@'%' IDENTIFIED BY '123456' B: MODIFY USER 'root'@'%' PASSWORD '123456' C: ALTER USER 'root'@'%' IDENTIFIED BY '123456' D: ALTER USER 'root'@'%' PASSWORD '123456'

    • 4

      下面使用SET语句将root用户的密码修改为mypwd3的描述中,正确的是() A: root登录到MySQL,再执行: SET PASSWORD=password('mypwd3'); B: 直接在DOS中执行: SET PASSWORD=password('mypwd3'); C: root登录到MySQL,再执行: SET PASSWORD=password(mypwd3); D: 直接在DOS中执行: SET PASSWORD= 'mypwd3';