How to Define Sequence for your ID Generator in ERD
In relational database, records are identified by a unique value. We call this value the primary key. Some databases allow to control how this unique value is being generated by defining the sequence. In this article, we will show you how to model the sequence with Visual Paradigm and use as the ID Generator for your database tables.

ID is a very useful property for a model elements. Having an unique ID for your model elements not just can ease the communication between your team but also help to structure your model in a more systematic way. 