I recommend you to use triggers to sync data.. Just 1 month ago, I use trigger migrate my Linux Database to Aix systems. Jametong DBA Team. B2B. alibaba.com ---------------------------- Mail : jame.tongjw@xxxxxxxxxxxxxxx jametong@xxxxxxxxx Msn : kt_tongjiawang@xxxxxxxxxxx Yahoo : jametong Alitalk : jametong Skype : jametong ----------------------------- _____ 发件人: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx] 代 表 nilesh kumar 发送时间: 2007年9月10日 21:13 收件人: oracle-l@xxxxxxxxxxxxx 主题: synchronizing database on linux and windows ? Hello All, I have installed oracle 10g on windows and on linux on two different machines, I need to create a application in which, through front end any changes made to the database on windows that changes need to be reflected on the database on linux so that data on the both the database are synchronous. Could any one help me how shall I proceed. Thanks Nilesh Soni