1：在终端下：mysql -V。 以下是代码片段：
mysql Ver 14.7 Distrib 4.1.10a, for redhat-linux-gnu (i686)
2：在mysql中：mysql> status;
以下是代码片段：
mysql> status;
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mysql Ver 14.7 Distrib 4.1.10a, for redhat-linux-gnu (i686)
Connection id: 416
Current pager: stdout
Using outfile: ''
Using delimiter: ;
Server version: 3.23.56-log
Connection: Localhost via UNIX socket
Client characterset: latin1
Server characterset: latin1
Uptime: 62 days 21 hours 21 min 57 sec
Threads: 1 Questions: 584402560 Slow queries: 424 Opens: 59664208 Flush tables: 1 Open tables: 64 Queries per second avg: 107.551
3：在help里面查找
以下是代码片段：