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  1. #1
    PurpleGod is offline Novice
    Windows 8 Access 2010 64bit
    Join Date
    Jul 2015
    Posts
    6

    Normalizing Database and Form Control

    Hi I'm trying to figure out how to normalize my database, I read tutorials on Normalizing but I can't seem to make it work. My current database is functional but not practical. Because It was not normalized I ran into the problem for having over 255 fields... Here's what my database consists of:



    Investors
    Funds
    Payments

    Each Investor has contact information
    Each Investor is part of many funds
    Each Fund has many payments
    Each payment consists of a date and a number

    For example:

    Person1 could be in Fund1 and Fund2, They have made payments for both funds (Payment1Fund1,Payment2Fund1 and Payment1Fund2,Payment2Fund2)

    How should this database be normalized?
    Also, I want a form that can display each investor, which funds they are in, and they're payments for each fund.

    Currently I'm using the Tab Control, and I have a tab for each fund which I love! How can I keep this format?

  2. #2
    ranman256's Avatar
    ranman256 is offline VIP
    Windows Vista Access 2010 32bit
    Join Date
    Apr 2014
    Location
    Kentucky
    Posts
    9,526
    tables design:

    tInvestor. details about investor only. Name, addr, phone. (no payments, just person info)
    [InvID] key field autonum

    tFunds
    [FundID] autonum
    [InvID] long integer (key from tInvestor)
    [fundName]
    ...more details about the 1 fund

    tFundPayments
    [FundPayID] auto
    [FundID] long (key from tFunds)
    [paydate]
    [Amt]
    ...etc

  3. #3
    orange's Avatar
    orange is offline Moderator
    Windows XP Access 2003
    Join Date
    Sep 2009
    Location
    Ottawa, Ontario, Canada; West Palm Beach FL
    Posts
    16,742
    It is quite rare to have a relational database with a table approaching 50-60 fields.
    I recommend you review and work through 1 or more of these tutorials from RogersAccessLibrary.

    http://www.rogersaccesslibrary.com/T...lationship.zip
    http://www.rogersaccesslibrary.com/T...erItDesign.zip
    http://www.rogersaccesslibrary.com/T...cripDesign.zip

    You have to work through them, but you will learn the concepts of database design, tables and relationships.
    Any everything you learn can be used when developing any database.

    What exactly is the business you are trying to support. You really need a clear and complete description of the business and processes you are trying to support with your proposed database. And you need to know that before you get too deeply involved with Access.

    For additional info see links in this post.
    Good luck.

  4. #4
    PurpleGod is offline Novice
    Windows 8 Access 2010 64bit
    Join Date
    Jul 2015
    Posts
    6
    Ranman, I used your template, but when i created a form with the data, i get at error "Cannot create record, field not in recordset"

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

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