hi
How i implement inheritance in tables on a relational database?
for example i have the members class that is a super class and it has only user name attribute.my child classes are:admin_users and other_users that derived from members super class.these child classes consists of password...
hi all
I work on bus terminal project.This project is for online bus ticket reservation or purchase it.
Is it necessary to have all of these classes:reservation,sale and ticket?
i feel reservation class is enough.please guide me about this problem and sale object for this purpose.
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