Database Applications and File Systems
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Questions and Answers

What is a drawback of using file systems to store data?

  • Unified file formats
  • Automatic management of data
  • Explicit statement of integrity constraints
  • Difficulty in accessing data (correct)

    • Why is it hard to add new constraints or change existing ones in file systems?

  • Constraints are explicitly stated in file systems
  • Constraints are buried in program code in file systems (correct)
  • File systems automatically update constraints
  • File systems use unified file formats

    • What was a common practice for carrying out new tasks in database applications built on file systems?

  • Using a unified task management system
  • Reusing existing programs for new tasks
  • Writing a new program for each new task (correct)
  • Automatic task execution in file systems

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