Firstly, download mysql jdbc driver (type 4) from http://www.mysql.com
Deploy jdbc driver by installation guide http://www.sapnew.com/index.php?action=blog&id=401
Restart SAP instance
Create a table named 'people' in database 'sapbc' in mysql server 192.168.1.103 by phpMyAdmin, table instructure is like following feature
Create a user 'sap' of database, grant all access rights of table 'people' to it.
JDBC Communication Channel in ID