Backend Development
How to Design a Postgres Schema for a Marketplace App (2026)
A step-by-step guide to modelling buyers, sellers, listings, orders and payments in Postgres, with the constraints and indexes that keep it correct under load.
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Explore insights from our engineering team on software development, AI, cloud architecture, and industry best practices.
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Backend & APIs
What Is Database Normalization?
Normalization organises tables so each fact lives in exactly one place. Understanding what it prevents matters more than reciting the normal forms - and knowing when to break it matters most.
Backend & APIs
What Is an ER Diagram?
An entity-relationship diagram shows what things exist in a system and how they relate. Its real value is not documentation - it is that cardinality forces questions nobody asks until the data is wrong.
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