Lazada SQL questions

Lazada-themed questions cover catalogue and order data across a regional marketplace — pricing, categories, sellers and returns. Several are the commodity classics (second-highest, month-over-month), framed on e-commerce tables rather than toy data.

easyAdd a primary key to an unkeyed orders tableLazada · schema-designFree→easyFind products from a specific brandLazada · textFree→hardSecond most expensive product per categoryLazada · windowFree→hardSimpson's paradox in an A/B testLazada · experimentationBasic→

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