Foundation of Business Intelligence: Database and Information Management Quiz
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Questions and Answers

What is the main problem associated with the traditional file environment?

  • Efficient storage resources
  • Processing flexibility
  • Data consistency
  • Data redundancy (correct)

    • What characteristic of a database management system (DBMS) helps in controlling redundant data?

  • Relational database tables
  • Database collection
  • Data definition capability (correct)
  • Data manipulation language

    • What is the primary role of a database management system (DBMS) in an organization?

  • Automate data dictionary
  • Generate ad hoc reports
  • Handle large volumes of unstructured data
  • Centralize data (correct)

    • Which type of database stores data as two-dimensional tables?

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

    What does the term 'foreign key' refer to in the context of databases?

    <p>Primary key used in second table as a look-up field</p> Signup and view all the answers

    What is the main purpose of a data dictionary in a database management system (DBMS)?

    <p>To specify the structure of database content</p> Signup and view all the answers

    Which process involves creating small, stable, flexible, and adaptive data structures from complex groups of data?

    <p>Normalization process</p> Signup and view all the answers

    What is the purpose of referential integrity rules in relational database management systems (RDMS)?

    <p>'Ensuring' consistent relationships between tables</p> Signup and view all the answers

    How do non-relational databases differ from relational databases?

    <p>'No-SQL' databases use more flexible data models</p> Signup and view all the answers

    What do Entity Relationship Diagrams (ERD) enable in the context of database management?

    <p>'Visualizing' relationships among data elements</p> Signup and view all the answers

    What characteristic of non-relational databases allows them to handle large volumes of unstructured and structured data?

    <p>'No-SQL' storage across distributed machines</p> Signup and view all the answers

    What role does a database play in handling ad hoc reports?

    <p>Delivering ad hoc reports on demand</p> Signup and view all the answers

    What is the main function of a database management system (DBMS) in an organization?

    <p>To centralize data, manage them, and provide access to the stored data by application programs</p> Signup and view all the answers

    Why is data redundancy a problem in the traditional file environment?

    <p>It results in the presence of duplicate data in multiple files</p> Signup and view all the answers

    What is the purpose of a data dictionary in a database management system (DBMS)?

    <p>To store definitions of data elements and their characteristics</p> Signup and view all the answers

    What characteristic allows non-relational databases to handle large volumes of unstructured and structured data?

    <p>More flexible data model</p> Signup and view all the answers

    In the context of databases, what is the purpose of referential integrity rules used by RDMS?

    <p>To ensure relationships between tables remain consistent</p> Signup and view all the answers

    What is the role of a database in handling ad hoc reports?

    <p>Delivering custom and on-demand reports</p> Signup and view all the answers

    Which process involves creating small, stable, flexible, and adaptive data structures from complex groups of data?

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

    What role does a database play in controlling redundant data?

    <p>Centralizing data and managing them</p> Signup and view all the answers

    What do non-relational databases use to store data across distributed machines?

    <p>More flexible data model</p> Signup and view all the answers

    What is the primary purpose of a relational database management system (RDMS) in an organization?

    <p>Centralizing data, managing them, and providing access to the stored data by application programs</p> Signup and view all the answers

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