Changes between Version 19 and Version 20 of ERModel


Ignore:
Timestamp:
05/05/26 11:01:51 (28 hours ago)
Author:
232012
Comment:

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  • ERModel

    v19 v20  
    135135* Implemented features relationship between Song ↔ Artist and Single ↔ Artist to replace the featured_artist multi-valued attribute.
    136136* Removed create relationship between  Admin ↔ Product and implemented a new entity Modifcation, with relationships perform and refers, to allow creation and modification of products by admins.
    137 * Moved attributes from Consumer to User and made it overlap instead of disjoint, to allow Admins to be able to purchase Products for testing and recreational purposes.
     137* Moved attributes from Consumer to User to allow Admins to be able to purchase Products for testing and recreational purposes.
    138138* Added discount_percentage attribute to Admin, and points_used and points_earned to Order.