is it possible to configure multiple database with single main server database...?

If i understand your question, you can do multiple database in one server

@mahmoud Sir my synriouc is i want to install local serve in each shop (multipal shop)

i mean single shop have it's own installtion it's on database..

at the top of all databases of shop is connect with single database where all database send it's data...

second is when i change in master Database then change apply as well as all shop