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想必大家在命令行操作mysql的时候会十分发愁现在的操作的是那个数据库吧，至少我就纠结过，可能您会说我打一条命令不就知道了，是的这样做确实可以的。
可是今儿给大家介绍个好用的命令--prompt
您也可以在在my.cnf配置文件里进行配置：
| Option | Description |
|---|---|
\c | A counter that increments for each statement you issue |
\D | The full current date |
\d | The default database |
\h | The server host |
\l | The current delimiter (new in 5.1.12) |
\m | Minutes of the current time |
\n | A newline character |
\O | The current month in three-letter format (Jan, Feb, …) |
\o | The current month in numeric format |
\P | am/pm |
\p | The current TCP/IP port or socket file |
\R | The current time, in 24-hour military time (0–23) |
\r | The current time, standard 12-hour time (1–12) |
\S | Semicolon |
\s | Seconds of the current time |
\t | A tab character |
\U | Your full |
\u | Your user name |
\v | The server version |
\w | The current day of the week in three-letter format (Mon, Tue, …) |
\Y | The current year, four digits |
\y | The current year, two digits |
\_ | A space |
\ | A space (a space follows the backslash) |
\‘ | Single quote |
\" | Double quote |
\\ | A literal “\” backslash character |
\ |
|
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原文地址：http://www.cnblogs.com/cure-t-x-y/p/4256129.html
