Explore BrainMass

Explore BrainMass

    relationship diagram

    This content was COPIED from BrainMass.com - View the original, and get the already-completed solution here!

    Give an example of a 1:1 HAS-A relationship. Construct the relationship so that one entity is required and the other is optional.

    © BrainMass Inc. brainmass.com October 9, 2019, 8:07 pm ad1c9bdddf

    Solution Preview

    Take for example a university system where each student is identified by his or her student's ID number.
    So a ...

    Solution Summary

    A relationship diagram