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  1. #1
    Beanie_d83 is offline Advanced Beginner
    Windows 8 Access 2013 64bit
    Join Date
    May 2016
    Posts
    73

    Help with data model/er diagram

    Hi all,



    trying to add in an optional extras table for products to the data model. I initially thought a many to many relationship would be needed so created a link table but now am not so sure this is correct.....

    We produce many products which have different model ranges and each product has many optional extra choices. However the optional extras differ depending on what the product is.

    Any pointers would be great!

    Thank you in advance

  2. #2
    ranman256's Avatar
    ranman256 is offline VIP
    Windows Vista Access 2010 32bit
    Join Date
    Apr 2014
    Location
    Kentucky
    Posts
    9,013
    id make a model building form
    youd select the model (master form)
    and the sub form you would add the options.

    Toyota Camry
    --------
    power windows
    smart braking
    power locks
    GPS

  3. #3
    orange's Avatar
    orange is online now Moderator
    Windows 10 Access 2010 32bit
    Join Date
    Sep 2009
    Location
    Ottawa, Ontario, Canada; West Palm Beach FL
    Posts
    15,767

  4. #4
    Beanie_d83 is offline Advanced Beginner
    Windows 8 Access 2013 64bit
    Join Date
    May 2016
    Posts
    73
    You're right it does....my apologies, I am still learning

  5. #5
    Beanie_d83 is offline Advanced Beginner
    Windows 8 Access 2013 64bit
    Join Date
    May 2016
    Posts
    73
    Following on from the above topic, I have the start of a table (tbl_BuildSheet) which will be populated by a build form but am unsure of the best way to link this to the tbl_orders once the order comes in from our salesman.

    This is what I have....

    BuildSheet.pdf

    Do I simply need Order_ID as an FK in tbl_BuildSheet considering that there could be many trailer builds to an order but any number of trailer builds can only have 1 order?

Please reply to this thread with any new information or opinions.

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