Please refer to MySQL documentation to download necessary database driver for the corresponding platform.
For some additional information please refer to: installing unixODBC.
ODBC configuration is done by editing odbcinst.ini and odbc.ini files. These configuration files can be found in /etc folder. The file odbcinst.ini may be missing and in this case it is necessary to create it manually.
odbcinst.ini
[mysql]
Description = General ODBC for MySQL
Driver = /usr/lib64/libmyodbc5.so
Setup = /usr/lib64/libodbcmyS.so
FileUsage = 1
Please consider the following examples of odbc.ini configuration parameters.
[TEST_MYSQL_FILLED_CRED]
Description = MySQL database 2
Driver = mysql
User = root
Port = 3306
Password = zabbix
Database = zabbix
Server = 127.0.0.1
[TEST_MYSQL_FILLED_CRED_SOCK]
Description = MySQL database 3
Driver = mysql
User = root
Password = zabbix
Socket = /var/run/mysqld/mysqld.sock
Database = zabbix
All other possible configuration parameter options can be found in MySQL official documentation web page.