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The whole screen consists from 3 main areas – menu and toolbars, object explorer on the left and main workplace on the right. If you have created new model, your screen should look like this:.To be honest I usually draw logical model on a piece of paper and then create physical model in Erwin. For those who don’t know the difference between logical and physical: logical is about the business (gather business requirements and transfer them into model), physical is purely about the db. If creating physical model, choose the database you want to create it for. To create new model, click on File/New and in the dialog select if you want to create Logical, Physical or Logical/Physical model.
ERWIN DATA MODELER WIKI HOW TO
I will show you how to create simple model and explain the difference between logical and physical model, identifying and non-identifying relationships. This post will be about creating your first model. data mine Model Mart database and get some interesting info about the model (meta-data) you might need – I will talk about this later since it is very important.make different versions of your model - ERwin has its own versioning tool which works fine whenever you save current version of model old version (one before changes were made) is saved as well, so you can roll back.share models with other team members – yeap, teamwork!!!.This is very useful since it allows you to: In the last post I have described how to set up ERwin so you can store all your models into database using AllFusion ERwin Model Manager.