What is a database instance?

Options

  • A. The logical design of a database
  • B. The actual data stored in a database at a particular moment
  • C. The programming language used to access a database
  • D. More than one of the above
  • E. None of the above

Correct Answer (Detailed Explanation is Below)

B. The actual data stored in a database at a particular moment

Detailed Explanation

  • A database instance refers to the actual data stored in a database at a particular point in time.
  • It changes whenever records are inserted, updated or deleted.
  • A schema defines the structure, whereas an instance represents the current data.