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DATA - Coggle Diagram

- - - - (Email) - NOT NULL
    - - (PEmail) - NOT NULL, Unique (Compared to Email Adress)
    - - (SName) - NOT NULL
    - - (Password) - NOT NULL- SHA1 Hash
    - - (Fname) - NOT NULL
    - - (Phone) NULL
    - - (Snumber) - NOT NULL
    - - (Admin) - 'y' or 'n' - Is the user an Admin?
- - - - (Location) - NOT NULL
    - - (TimeStamp) - NOT NULL
    - - (MaxUsers) - NULL
    - - (Name) - NOT NULL, Unique