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In SQL the word natural can be used with

  • A.inner join
  • B.full outer join
  • C.right outer join
  • D.all of the above

Answer: C

Correct answer: all of the above

Natural describes how the join columns are chosen - automatically, from the columns the two tables share - and that is independent of whether the join is inner, left, right or full. So it can be combined with any of them.

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