This is not a traditional developer course or software website with hard to understand scripts. Deconstructing Zoho is an uncommon approach to learn online database programming. We focus on 20% of the commands that produce 80% of the performance.

Track orders for products sold aggregate the data and update your products database every time a new order is placed or an existing record is updated. You will learn how to create a custom function to calculate current inventory, but script can be extrapolated to any other calculation you may have.