Where to start learning the IDEF1X method of model notation?

All we need is an easy explanation of the problem, so here it is.

I recently started learning about data modeling.

After seeing @MDCCL’s diagrams and thoughtful approach here, I’m interested in learning more about IDEF1X. I don’t want to pay $200+ for the ISO standard.

So where can I begin to learn this appraoch?

How to solve :

I know you bored from this bug, So we are here to help you! Take a deep breath and look at the explanation of your problem. We have many solutions to this problem, But we recommend you to use the first method because it is tested & true method that will 100% work for you.

Method 1

Answer left in comments by bbaird:

IDEF1X is commonly described as a methodology, and perhaps the reason we see it as "another way to represent a model" is that it was among the first and so all other graphical representations that have come since have borrowed from it in one way or another (typically through trying to copy features from ERWin). I’ve found this to be a good primer on the subject:

IDEF1X Introduction

You can also read the original standard here:

FIPS Standard • IDEF1X

Note: Use and implement method 1 because this method fully tested our system.
Thank you 🙂

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