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Jishu Labs
CTO
January 20, 2026
13 min read
Featured Article
3 articles tagged “data modeling”
Clear tag filterA 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.
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.
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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