Database design is the process of specifying the logical and/or physical parts of a database. The goal of database design is to make a representation of some "universe of discourse" - the types of facts, business rules and other requirements that the database is intended to model.

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User Privacy Settings DB Schema Design

On websites, like Facebook and Google+, you find settings (a.k.a. Privacy settings) which allow you to decide who is allowed to see what you share. How are such settings structured, or what is the ...