mysql> select version(),current_date(); 
+----------------+-----------------+ 
| version() | current_date() | 
+----------------+-----------------+ 
| 3.23.25a-debug | 2001-05-17 | 
+----------------+-----------------+ 
1 row in set (0.01 sec) 
mysql>

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) 
&nbsp;&nbsp;&nbsp;&nbsp;<B>5、多行语句</B> 
&nbsp;&nbsp;&nbsp;&nbsp;一条命令可以分成多行输入，直到出现分号“；”为止： 
<ccid_nobr>
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    <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>

mysql> SELECT USER(); SELECT NOW(); 
+------------------+ 
| USER() | 
+------------------+ 
| ODBC@localhost | 
+------------------+ 
1 row in set (0.00 sec) 

+---------------------+ 
| NOW() | 
+---------------------+ 
| 2001-05-17 23:06:15 | 
+---------------------+ 
1 row in set (0.00 sec) 
mysql>

mysql> show databases; 
+----------+ 
| Database | 
+----------+ 
| mysql | 
| test | 
+----------+ 
2 row in set (0.06 sec) 
mysql>

mysql> USE mysql 
Database changed 
mysql> 
(USE 和 QUIT 命令不需要分号结束。） 
mysql> select database(); 
+---------------+ 
| database() | 
+---------------+ 
| mysql | 
+---------------+ 
1 row in set (0.00 sec)

mysql> select 
-> user() 
-> c 
mysql>