Database Management System Quiz
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Questions and Answers

What is an instance of the database?

  • The collection of information stored in the database at a particular moment (correct)
  • The database query language
  • The physical location of the database
  • The database schema

    • What is the purpose of a prepared statement when taking user input for a query?

  • To optimize query performance
  • To enforce data constraints
  • To prevent SQL injection attacks (correct)
  • To simplify the query syntax

    • What is the role of a Concurrency Control Manager in a database?

  • To ensure consistency among concurrent transactions (correct)
  • To optimize query execution
  • To manage database instances
  • To define data models

    • What is the function of Hybrid OLAP systems?

    <p>Store summaries in memory and base data in a relational database</p> Signup and view all the answers

    What are bitmap indices designed for?

    <p>Efficient querying on multiple keys</p> Signup and view all the answers

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