Object-relational mapping is a programming technique that allows applications to work with the data as objects, but store the data in a database as groups of simpler values.

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Can someone please give me hints on normalizing this database and any other helpful hints

I am using Entity Framework 5 to work with this database but I am getting issues with how tblTalkers and tblChatSessions are being mapped in the entity model when imported into Visual Studio. Please ...