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M

Mr. Dubey • 100.69K Points
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Q. If the attribute phone number is included in the relation all the values need not be entered into the phone number column. This type of entry is given as

  • (A) 0
  • (B) –
  • (C) null
  • (D) empty space
  • Correct Answer - Option(C)
  • Views: 956
  • Filed under category Database Management System (DBMS)
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