SQL was first developed by ?
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IBM
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Oracle
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Sybase
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Sun systems
A
Correct answer
Explanation
IBM developed SQL in the 1970s at their San Jose Research Laboratory (now IBM Almaden). The language was originally called SEQUEL (Structured English Query Language) for System R, IBM's pioneering relational database project. Oracle (then Relational Software) was the first commercial vendor in 1979, but IBM originated the language.