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1Z0-047 · Question #197

1Z0-047 Question #197: Real Exam Question with Answer & Explanation

The correct answer is C. 2,4,1,3. See the full explanation below for the reasoning.

Question

The following are the steps for a correlated subquery, listed in random order: 1) The WHERE clause of the outer query is evaluated. 2) The candidate row is fetched from the table specified in the outer query. 3) The procedure is repeated for the subsequent rows of the table, till all the rows are processed. 4) Rows are returned by the inner query, after being evaluated with the value from the candidate row in the outer query. Identify the option that contains the steps in the correct sequence in which the Oracle server evaluates a correlated subquery.

Options

  • A4,2,1,3
  • B4,1,2,3
  • C2,4,1,3
  • D2,1,4,3

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