mysql>Select (20+5)*4; mysql>Select (20+5)*4,sin(pi()/3); mysql>Select (20+5)*4 AS Result,sin(pi()/3); (AS: 指定假名为Result) <B>5、多行语句</B> 一条命令可以分成多行输入,直到出现分号“;”为止: <ccid_nobr><table width="400" border="1" cellspacing="0" cellpadding="2" bordercolorlight = "black" bordercolordark = "#FFFFFF" align="center"><tr> <td bgcolor="e6e6e6" class="code" style="font-size:9pt"> <pre><ccid_code> mysql> select -> USER() -> , -> now() ->; +--------------------+---------------------+ | USER() | now() | +--------------------+---------------------+ | ODBC@localhost | 2001-05-17 22:59:15 | +--------------------+---------------------+ 1 row in set (0.06 sec) mysql> |