SQL Through the Ages
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Questions and Answers

Which of the following best describes SQL?

  • A language used to perform complex mathematical calculations
  • A programming language used to create websites
  • A computer language used to store, manipulate, and retrieve data in relational databases (correct)
  • A language used to write computer algorithms

    • Who published the seminal paper on SQL?

  • E. F. Codd (correct)
  • D. Chamberlin
  • Oracle
  • IBM

    • What was the original name of SQL?

  • Relational DBMS
  • Structured English Query Language (SEQUEL) (correct)
  • Oracle
  • IBM

    • When was the first commercial implementation of a relational DBMS based on SQL introduced?

    <p>Late 1970s</p> Signup and view all the answers

    What type of language is SQL?

    <p>Declarative</p> Signup and view all the answers

    Which lab was E. F. Codd from when he published the seminal paper on SQL?

    <p>IBM's San José Lab</p> Signup and view all the answers

    Which language was defined by D. Chamberlin in 1974 before being renamed to SQL?

    <p>Structured English Query Language (SEQUEL)</p> Signup and view all the answers

    What was the name of the revised version of SEQUEL defined in 1976?

    <p>SEQUEL/2</p> Signup and view all the answers

    What was the first commercial implementation of a relational DBMS based on SQL?

    <p>Oracle</p> Signup and view all the answers

    What type of language is SQL?

    <p>Declarative</p> Signup and view all the answers

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