I want to do an application for an opticals shop. There will be lots of branches across the city. I am planning to give a desktop application to all the branches.I want the branch employees to update the sales in an online database, because i want the owner(admin) to view the sales, orders, other info through a web appilcation.
1) so is there a way so that the employees can update the online database?
2) If internet is not there in a store, how is it possible to update the online database once when the internet is back?
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