Entity-Relationship Diagrams: Simple Order Processing Example
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8 жыл бұрынIn 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
@irenessung0607 5 жыл бұрын
I was confused about the concept of the composite key before. This is probably the best explanation that I've ever seen.
@aaroncormier4482 6 жыл бұрын
This was very helpful. I like how you started with the data first. My prof jumped right into the diagrams... was hard to conceptualize.
@igorrocha1845 4 жыл бұрын
Same with me
@ngosamolobeka5709 4 жыл бұрын
Very brief and straight to the point. thank you
@chrisk8703 5 жыл бұрын
Thanks for the video and the two rules you gave. Very useful!!
@JDMUWFGIS 3 жыл бұрын
Great video, Keith.
@jacinyan3893 3 жыл бұрын
The best explanation ever
@kapoios1996 3 жыл бұрын
20:14 Thanks so much for these tips! Really useful
@iamKamzar 5 жыл бұрын
Awesome video
@Bleu-en2bf 3 жыл бұрын
Thank you so much😊☕☕☕
@nuramielianatashabintimoha1285 3 жыл бұрын
hello, do you know how to create realtionship between order line and refund table? or is it impossible to create
@carlmarionmanlapaz4697 3 жыл бұрын
great
@saqibnoor5227 3 жыл бұрын
properties=attributes
Mark Keith
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