Entity-Relationship Diagrams: Simple Order Processing Example
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- Опубликовано: 6 сен 2024
- In this video, I give a simple example of an entity-relationship diagram for an order processing system
This playlist is used in two of my books:
1. Introduction to Information Systems
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2. Data-Mining Projects and Database Essentials
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To request an instructor copy, email me at mark.keith@gmail.com
I was confused about the concept of the composite key before. This is probably the best explanation that I've ever seen.
This was very helpful. I like how you started with the data first. My prof jumped right into the diagrams... was hard to conceptualize.
Same with me
Very brief and straight to the point. thank you
Thanks for the video and the two rules you gave. Very useful!!
Great video, Keith.
The best explanation ever
20:14 Thanks so much for these tips! Really useful
Awesome video
Thank you so much😊☕☕☕
great
hello, do you know how to create realtionship between order line and refund table?
or is it impossible to create
properties=attributes