Multiple choice

Which of the following is correct about IN OUT parameter in P/L SQL?

  1. This parameter does not return an updated value each time for the subprogram.

  2. This parameter returns a value to the calling program.

  3. It can be assigned a value and its value can be read.

  4. The actual parameter corresponding to an IN OUT formal parameter can be a constant.

  5. The parameter values cannot be changed.
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C Correct answer
Explanation

This is correct and IN OUT can be updated and read for the assigned value.

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