下表列出了各个提示符并简述它们所表示的mysql的状态：
| 提示符 | 含义 |
| mysql> | 准备好接受新命令。 |
| -> | 等待多行命令的下一行。 |
| ‘> | 等待下一行，等待以单引号(“’”)开始的字符串的结束。 |
| “> | 等待下一行，等待以双引号(“””)开始的字符串的结束。 |
| `> | 等待下一行，等待以反斜点(‘`’)开始的识别符的结束。 |
| /*> | 等待下一行，等待以/*开始的注释的结束。 |
mysql help列表
? (\?) Synonym for `help'. clear (\c) Clear the current input statement. connect (\r) Reconnect to the server. Optional arguments are db and host. delimiter (\d) Set statement delimiter. ego (\G) Send command to mysql server, display result vertically. exit (\q) Exit mysql. Same as quit. go (\g) Send command to mysql server. help (\h) Display this help. notee (\t) Don't write into outfile. print (\p) Print current command. prompt (\R) Change your mysql prompt. quit (\q) Quit mysql. rehash (\#) Rebuild completion hash. source (\.) Execute an SQL script file. Takes a file name as an argument. status (\s) Get status information from the server. tee (\T) Set outfile [to_outfile]. Append everything into given outfile. use (\u) Use another database. Takes database name as argument. charset (\C) Switch to another charset. Might be needed for processing binlog with multi-byte charsets. warnings (\W) Show warnings after every statement. nowarning (\w) Don't show warnings after every statement.
mysql 命令
启动命令 sudo service mysql start 关闭命令 sudo service mysql stop 重启命令 sudo service mysql restart 查看状态 sudo service mysql status ps -aux | grep mysql mysql 的登录 mysql -uroot -p mysql -uroot -pmysql (p后面是密码) 退出 exit / quit / ctrl +d 查看版本 select version(); 显示当前时间 select now();