What is Data Modelling? Beginner's Guide to Data Models and Data Modelling

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  • Опубликовано: 26 дек 2024

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  • @jessegarris7037
    @jessegarris7037 10 месяцев назад +25

    Two of my college classes explained in 19 minutes. Excellent refresher and general explanation 👍

    • @thedataguygeorge
      @thedataguygeorge  10 месяцев назад +1

      Hahahahaha thanks Jesse, happy to hear I'm up to college par!

  • @SalimaryKurira
    @SalimaryKurira 3 месяца назад +1

    thank you data guy ..... l dont have an experience in data modelling and its part of my courses this semester...this really helped me

  • @jeffrey6124
    @jeffrey6124 10 месяцев назад +6

    Great! video Captain America with eye glasses 🤓 Love Data Dog 😍

    • @thedataguygeorge
      @thedataguygeorge  10 месяцев назад +3

      Hahahahahaha thank you for the new nickname! Data Dog loves you back!

  • @florsco
    @florsco 5 месяцев назад +2

    Thank you Data Guy! first video I've seen from you and it was so clear and simple. I have nothing to do with databases and I've followed every stage of your explanation easily. Thank you for bring this kind of material to us!

  • @Ifeanyi4Ndu
    @Ifeanyi4Ndu 7 месяцев назад +2

    Awesome video you have here, I will be sharing this with my team👏🏽. Slight improvement that could be applied is taking away customerID from payment table (data redundancy) as the customer can be traced back using their orderID.

    • @chinyerenwigwe5166
      @chinyerenwigwe5166 7 месяцев назад +2

      That may or may not be right cause what if the if the customer ordered goods twice

    • @Ifeanyi4Ndu
      @Ifeanyi4Ndu 7 месяцев назад

      @@chinyerenwigwe5166 the order_id will always reference the customer. It doesn’t matter how many times the customer ordered a product. The order_id will always be different in the payment table.

  • @JosePayano
    @JosePayano 5 месяцев назад +13

    Your image sometimes cover parts of the models you are explaining. You should consider not staying up on screen for the whole video or just getting off the screen entirely. You might chose to pop up at the beginning or end…

    • @thedataguygeorge
      @thedataguygeorge  4 месяца назад +1

      Thanks for the tips!

    • @MsDhoni_45
      @MsDhoni_45 4 месяца назад +1

      But it gives feel of live course, I mean in person. Please find better alternative. But be on screen. ​@@thedataguygeorge

  • @emmanuel5791
    @emmanuel5791 Год назад +3

    Thank you for this amazing piece

  • @ching-tsungderontsai2750
    @ching-tsungderontsai2750 2 месяца назад +1

    Clear and extremely helpful in outlining the big picture of data modeling

  • @ezscootrr
    @ezscootrr 9 месяцев назад +2

    In the OrderLine, should the OrderID be the FK and LineID the PK?

    • @thedataguygeorge
      @thedataguygeorge  8 месяцев назад +1

      Ooooo maybe, good catch!

    • @rhodaime79
      @rhodaime79 7 месяцев назад

      I was thinking exactly the same thing.

  • @billyasterino8396
    @billyasterino8396 Год назад +1

    Thanks for the video. Would love to see one on ways to set up Airflow in AWS

    • @thedataguygeorge
      @thedataguygeorge  Год назад +1

      No problem! Can definitely do that, you can also use Astronomer to deploy Airflow on AWS, check out a free trial www.astronomer.io/ no credit card needed and you can deploy directly onto aws infra

    • @raushansingh7530
      @raushansingh7530 Год назад

      ​@@thedataguygeorge❤

  • @AdeolaOmodele-y4y
    @AdeolaOmodele-y4y 2 месяца назад +1

    Very helpful, thank you

  • @mohammadnezam360
    @mohammadnezam360 11 месяцев назад +1

    Nice video... keep it up ✨

  • @marisharodriguez2995
    @marisharodriguez2995 2 месяца назад +1

    This is very helpful, thank you Data Guy and hello Data Dog. 🐕 Data modeling really interests me! While I am not currently in tech or a developer, I think I'd be good at this. My brain already works in this way. As someone considering a career shift, are their paths for someone to build these skills to eventually contribute them to the workforce? Thanks again! :)

    • @thedataguygeorge
      @thedataguygeorge  2 месяца назад

      Definitely, I have a few videos on projects you can do solo to help build up a portfolio/skills to break into the industry, not impossible at all and encourage you to go after it even if you don't come from a tech background!

  • @marlinhicks
    @marlinhicks 5 месяцев назад +1

    I’m new to being data focused but not new to tech. Is data modeling just like diagramming with uml?

  • @jonnybrown2318
    @jonnybrown2318 10 месяцев назад +1

    I have an interview for a software consultancy firm in the UK. My task I will be doing is "data modelling for a hypothetical system" how can I prep for this? I'm a full stack developer but not dealt with data modelling yet :)

    • @thedataguygeorge
      @thedataguygeorge  10 месяцев назад +2

      My best recommendation would be getting a free trial in one of the database providers like snowflake and attempting to design your own database schema model by creating several tables, and organizing them in one of the described database model formats!

    • @frumiousgaming
      @frumiousgaming 9 месяцев назад

      How did it go?

    • @AnandKiranSade
      @AnandKiranSade 4 месяца назад

      @@frumiousgamingam interested to know as well

  • @SantoshGouda-p7j
    @SantoshGouda-p7j Год назад +1

    Please make videoes on SCD or CDC?it will be helpful for all DE

    • @thedataguygeorge
      @thedataguygeorge  Год назад +1

      Yes forsure, just to make sure I know I'm hearing you right, you mean Slowly Changing Dimensions and Change Data Capture right?

    • @SantoshGouda-p7j
      @SantoshGouda-p7j Год назад +1

      Yes, you are right
      @@thedataguygeorge

    • @thedataguygeorge
      @thedataguygeorge  Год назад

      Amazing, will have videos out next week!

  • @OrcaChess
    @OrcaChess 7 месяцев назад

    Insightful video! Thanks - What’s your verdict on Data Vault as data model?

  • @FhariyaAseem
    @FhariyaAseem Месяц назад

    Amazing!!

  • @carolinemotsatsi6315
    @carolinemotsatsi6315 4 месяца назад +1

    Thank you for this👌👌. Does anyone know of any relational data modeling exercises resources that have solutions? I want this relational modeling business to be intuitive. Thanks.

    • @thedataguygeorge
      @thedataguygeorge  4 месяца назад

      Thanks! Not off-hand but let me look into it and get back t you!

  • @siddharthgupta249
    @siddharthgupta249 22 дня назад +1

    good video

  • @ballettyishappy2254
    @ballettyishappy2254 Месяц назад

    thank you sir

  • @evhwolfgang2003
    @evhwolfgang2003 9 месяцев назад +2

    This looks a whole lot like taking JSON/arrays from a website and putting it in MySQL with PHP scripts. Hopefully I have a leg up with that experience...

  • @dayskasila
    @dayskasila 10 месяцев назад +1

    Thank you.

  • @annas6547
    @annas6547 8 месяцев назад +1

    For OrderLine Entity LineID should be PK and OrderID should be FK

  • @HighLearningBrighterFuture
    @HighLearningBrighterFuture 8 месяцев назад

    New subscriber 😊

  • @AlexMar-r
    @AlexMar-r 10 дней назад

    difference between Data Model VS ERD digram ? answer in 3 lines . you welcome for that question in advance.

  • @sa-pg6or
    @sa-pg6or 10 месяцев назад +2

    Love you brother

  • @YiraRosas
    @YiraRosas 10 месяцев назад +11

    The data dog distracts me 🐕

    • @thedataguygeorge
      @thedataguygeorge  10 месяцев назад +1

      Hahahahaha apologies, he distracts me as well!

  • @Animal-yb1rr
    @Animal-yb1rr 9 месяцев назад +2

    lol the dog

  • @laureneze
    @laureneze 5 месяцев назад +1

    Thank you so much.🎉 Could you consider speaking a bit slower for your foreign listeners pls 😊

  • @noamzilo6730
    @noamzilo6730 2 месяца назад

    this video is completely useless. couldn't draw a single thing from here that would be reusable in life.