Evolution of Database Management Systems
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Questions and Answers

Which database management system was standardized by CODASYL in the early 1960's?

  • IMS
  • Relational Data Model
  • Entity-Relationship Model
  • Network Data Model (correct)

    • Who proposed the Relational Data Model in 1970?

  • Codd (correct)
  • IBM
  • Chen
  • Bachman

    • Which query language was introduced in the mid-1980's?

  • SQL (correct)
  • Entity-Relationship Model
  • IMS
  • Relational Data Model

    • Which data model was proposed by P. Chen in 1976?

    <p>Entity-Relationship Model (D)</p> Signup and view all the answers

    What type of systems appeared in the late-1990's for online transaction processing and online analytic processing?

    <p>OLTP and OLAP (A)</p> Signup and view all the answers

    Which database management system was developed by Bachman at General Electric in the early 1960's?

    <p>DBMS (D)</p> Signup and view all the answers

    Which data model did E.F. Codd propose in 1970?

    <p>Relational Data Model (D)</p> Signup and view all the answers

    Which model was proposed by P. Chen in 1976?

    <p>Entity-Relationship Model (A)</p> Signup and view all the answers

    Which query language was introduced in the mid-1980's?

    <p>SQL (B)</p> Signup and view all the answers

    What type of systems appeared in the early 21st century with the use of PDAs and POS?

    <p>Relational Database Management Systems (B)</p> Signup and view all the answers

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