.. This file is part of the OpenDSA eTextbook project. See
.. http://opendsa.org for more details.
.. Copyright (c) 2012-2020 by the OpenDSA Project Contributors, and
.. distributed under an MIT open source license.

.. avmetadata::
   :author: Noha
   :satisfies: ERD
   :topic: ERD


Design Process Overview
=======================
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Entity relationship diagram  Vs Relational model Vs Instance
------------------------------------------------------------

Entity relationship diagram (ERD)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Relational model (schema diagram or relational schema)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Instance
~~~~~~~~

.. inlineav:: oneToManyWrongForm1 ss
   :long_name: oneToManyWrongRepresentation1 Slideshow
   :links: AV/Database/oneToManyWrongForm1.css
   :scripts: AV/Database/oneToManyWrongForm1.js
   :output: show

.. inlineav:: oneToManyWrongForm2 ss
   :long_name: oneToManyWrongRepresentation2 Slideshow
   :links: AV/Database/oneToManyWrongForm2.css
   :scripts: AV/Database/oneToManyWrongForm2.js
   :output: show

.. inlineav:: oneToManyrightForm ss
   :long_name: oneToManyrightFormRepresentation Slideshow
   :links: AV/Database/oneToManyrightForm.css
   :scripts: AV/Database/oneToManyrightForm.js
   :output: show

.. inlineav:: One-to-oneBinary ss
   :long_name: One-to-oneBinaryRepresentation Slideshow
   :links: AV/Database/One-to-oneBinary.css
   :scripts: AV/Database/One-to-oneBinary.js
   :output: show

.. inlineav:: One-to-oneBinarySol2 ss
   :long_name: One-to-oneBinarySol2Representation Slideshow
   :links: AV/Database/One-to-oneBinarySol2.css
   :scripts: AV/Database/One-to-oneBinarySol2.js
   :output: show