if you are planing to create an e Commerce application from scratch then there are possibilities that you will create Categories section in your application. Now at the beginning you may be asking yourself what is the best way to create multi-level categories for your application. in this tutorial we will achieve this by learning Nested Set Model approach.
Nested Set Model
before we dive into real code part, lets understand the theory of this approach, then we will apply same in our application.
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