This text details the groundbreaking work of Donald D. Chamberlin and Raymond F. Boyce at IBM in the early 1970s. Inspired by the relational data model, they co-created SQL, initially named SEQUEL, which became the standard language for interacting with relational databases. The explanation highlights SQL's user-friendly syntax and its implementation of complex database concepts. The enduring impact and universality of SQL across various industries and platforms are emphasised, solidifying its legacy in data management. The text also briefly notes the tragic early death of Boyce and Chamberlin's continued contributions.

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