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Entity-Relationship Diagram for Electronic Resource Management. NISO/DLF Workshop on Standards for Electronic Resource Management 10 May 2002 Nathan D.M. Robertson Database Analyst/Programmer Sheridan Libraries, Johns Hopkins University nate@jhu.edu. A person occupies exactly one room.
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Entity-Relationship Diagram for Electronic Resource Management NISO/DLF Workshop on Standards for Electronic Resource Management 10 May 2002 Nathan D.M. Robertson Database Analyst/Programmer Sheridan Libraries, Johns Hopkins University nate@jhu.edu
A person occupies exactly one room. A room is occupied by zero or many persons. A room is in exactly one building. A building contains one or many rooms. The "Information Engineering" Notation for Entity-Relationship Modeling
Entity-Relationship Diagram for Electronic Resource ManagementNISO/DLF Workshop, 10 May 2002
Entity-Relationship Diagram for Electronic Resource ManagementNISO/DLF Workshop, 10 May 2002 Nathan D.M. Robertson Database Analyst/Programmer Sheridan Libraries, Johns Hopkins University nate@jhu.edu