Andrews tourist class app development database design how to build?

How to design a database should be used primarily to save the photos on your phone, then under conditions have wifi uploaded to the server, how to draw ER diagram?<-! Main posts under Banner (D4) -><-! Posts under the main text (D5) ->
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Asked the general feeling of the point.
User table
Tourist information table
Users extension table place-related information such as pictures
System Settings Table