How to integrate mysql databases

Hi All

I am developing a new module for some already existing project. I have developed mysql database for new module. I face problem in Integrating or Merging new database module with already existing database(mysql) of project.

Can anyone help me a genral concept of Integrating / marging two mysql database modules?

Thanks & Reg's
MI

Can't you just run the commands to add the new tables on the existing schema?