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
    - Contents: app.myeducator...
    - Purchase: app.myeducator...
    2. Data-Mining Projects and Database Essentials
    - Contents: app.myeducator...
    - Purchase: app.myeducator...
    To request an instructor copy, email me at mark.keith@gmail.com

Комментарии • 15

  • @irenessung0607
    @irenessung0607 5 лет назад +6

    I was confused about the concept of the composite key before. This is probably the best explanation that I've ever seen.

  • @aaroncormier4482
    @aaroncormier4482 7 лет назад +14

    This was very helpful. I like how you started with the data first. My prof jumped right into the diagrams... was hard to conceptualize.

  • @ngosamolobeka5709
    @ngosamolobeka5709 4 года назад +2

    Very brief and straight to the point. thank you

  • @chrisk8703
    @chrisk8703 5 лет назад +2

    Thanks for the video and the two rules you gave. Very useful!!

  • @JDMUWFGIS
    @JDMUWFGIS 3 года назад +1

    Great video, Keith.

  • @jacinyan3893
    @jacinyan3893 3 года назад

    The best explanation ever

  • @kapoios1996
    @kapoios1996 3 года назад

    20:14 Thanks so much for these tips! Really useful

  • @iamKamzar
    @iamKamzar 5 лет назад

    Awesome video

  • @Bleu-en2bf
    @Bleu-en2bf 3 года назад

    Thank you so much😊☕☕☕

  • @carlmarionmanlapaz4697
    @carlmarionmanlapaz4697 3 года назад

    great

  • @nuramielianatashabintimoha1285
    @nuramielianatashabintimoha1285 3 года назад

    hello, do you know how to create realtionship between order line and refund table?
    or is it impossible to create

  • @saqibnoor5227
    @saqibnoor5227 3 года назад

    properties=attributes