Multiple choice technology databases

Which type of argument passes a value from a procedure to the calling environment?

  1. VARCHAR2

  2. BOOLEAN

  3. OUT

  4. IN
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C Correct answer
Explanation

OUT parameters are used to pass values from a procedure back to the calling environment. IN parameters pass values into the procedure, while OUT parameters return results. VARCHAR2 and BOOLEAN are data types, not parameter modes. The OUT mode specifically enables returning computed values.

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