Relational Databases Quiz
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Questions and Answers

What is a relational database management system (RDBMS)?

  • A system used to maintain relational databases (correct)
  • A programming language for web development
  • A model for data visualization
  • A system used to maintain non-relational databases

    • Who proposed the relational model of data in 1970?

  • Steve Jobs
  • Tim Berners-Lee
  • Bill Gates
  • E. F. Codd (correct)

    • What does SQL stand for in the context of relational databases?

  • Structured Query Language (correct)
  • Simple Query Logic
  • Standardized Question Logic
  • Structured Question Language

    • How many rules did Codd define for a relational database system?

    <p>12 rules</p> Signup and view all the answers

    What term did Codd introduce in his research paper at IBM in 1970?

    <p>Relational database</p> Signup and view all the answers

    Study Notes

    Relational Database Management System (RDBMS)

    • A relational database management system (RDBMS) is a type of database management system that stores data in a structured format using rows and columns.
    • RDBMS allows users to create, read, update, and delete data, ensuring data integrity and supporting complex queries.

    Relational Model

    • The relational model of data was proposed by Edgar F. Codd in 1970.
    • Codd's model introduced a systematic way of organizing data based on mathematical set theory and first-order predicate logic.

    SQL (Structured Query Language)

    • SQL stands for Structured Query Language, the standard programming language used for managing and manipulating relational databases.
    • SQL is used for executing queries, retrieving data, and performing operations on the data stored in an RDBMS.

    Codd's Rules

    • Edgar F. Codd defined 12 rules (numbered zero to eleven) for an RDBMS to qualify as relational, serving as a guideline for what constitutes a true relational database.

    Codd's Contribution

    • The term "relational" was introduced by Codd in his research paper at IBM in 1970, laying the foundation for relational database technology.

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    Description

    Test your knowledge of relational databases with this quiz. Explore the history, structure, and management of relational databases, including the use of SQL for querying and updating.

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