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This my logical data digram ,is this digram is correct?

this my logical data diagram to my Android application, I really don't know if this draw is correct or no .. some help please {this is }

Android应用图

The tables and relations look correct.

But you need to normalize further please go through this book

http://cir.dcs.uni-pannon.hu/cikkek/Database_Normalization.pdf

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