Linux下otl调用MySQL数据库_MySQL
整体流程结构
otl用头文件otlv4.h来声明接口，具体实现在linux下是由unixODBC来实现；通过FreeTDS驱动最终调用MySQL的DBMS（个人观点）
要安装的软件及步骤
所以要安装的有unixODBC，FreeTDS
具体安装参考：http://wenku.baidu.com/view/89e9e711a2161479171128de.html（此文章里面的设置有问题，参考本文中的“关于odbcinst.ini和odbc.ini的说明一节”）
关于odbcinst.ini和odbc.ini的说明
参考：http://blog.chinaunix.net/uid-7240278-id-131816.html 这篇文章中提到了默认的odbcinst.ini的位置在/usr/local/etc，这是在安装unixODBC是产生的，可以通过odbcinst -j指令来查看其具体位置
However since beta 1.6 the location of the system files odbcinst.ini and odbc.ini are determined by the configure script. The default location is /usr/local/etc, and if a prefix is specified the location is {prefix}/etc. The location of the etc path can be broken out of the normal prefix tree by specifing --sysconfdir=DIR, so the following will expect the system files to be in the same location as pre 1.6 builds.
./configure --sysconfdir=/etc
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