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database-design
3 postsWilliam Kent's Classic Guide to the Five Normal Forms (1982)
Revisit William Kent's 1982 classic on database normalization — a clear, example-driven explanation of the five normal forms every engineer should know.
Building auth on a store that only does get and put
How we built an authentication system on a store that only supports get and put, using key design and ETag-based concurrency instead of SQL.
Shopify Ditched Redis for MySQL in Inventory Reservations at Scale
Shopify moved its checkout inventory reservation system from Redis to MySQL, using SKIP LOCKED, composite keys and isolation tuning to scale through Black Friday peak traffic.
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