Product catalogue management: SKUs, variants, and the data model that scales

invalid@example.com (Aior), Aior
Fri, 01 May 2026 07:49:05 +0000
Product Management

The catalogue is the engineering core of e-commerce​
Most "we need to migrate platforms" conversations start with catalogue limitations.

The product / variant / SKU triangle​

Product — the abstract item the customer browses ("T-shirt with logo")

Variant — a specific purchasable variation ("T-shirt, Medium, Black")

SKU — the inventory-managed identifier

The mistake we see most: treating each variant as a standalone product. The catalogue...