6.9: Extended Resources

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1. This explains ER diagrams in depth. They go over each of the main parts; entity, attribute, and relationship, and each of the variations of them.
https://beginnersbook.com/2015/04/e-r-model-in-dbms/

2. https://www.tutorialspoint.com/dbms/...esentation.htm
This site shows the old method of making ER diagrams and gives a good description of each of the types of connections between the entities.

3. This resource shows two pictures; one shows possible individual components of an ERD, and the other depicts an example of an ERD using all the components.
https://www.oreilly.com/library/view...6lev1sec5.html

4. This video covers ER basics; what ER diagrams are, when to use them, and useful tips for creating them. The video shows an example of an ERD being drawn out in ‘smart draw’ to get a better understanding on how one is made from scratch
https://www.youtube.com/watch?v=dUJp0Yoq5eg

5. In this article they go over a brief history of ER diagrams. They discuss the different people involved with the creation and changes made to the models over time.
https://www.dataversity.net/a-short-...tion-modeling/

6. ER Diagram Template: Old version
https://www.lucidchart.com/pages/tem...agram-template

7. ER Diagram Template: New version
https://www.lucidchart.com/pages/tem...agram-template