Which type of argument passes a value from a calling environment?

  1. a) VARCHER2.

  2. b) BOOLEAN.

  3. c) OUT.

  4. d) IN.


Correct Option: D
Explanation:

To answer this question, the user needs to have knowledge of different types of arguments in programming.

a) VARCHER2: This is not a type of argument. It is a data type used to store character strings in Oracle database.

b) BOOLEAN: This is not a type of argument that passes a value from a calling environment.

c) OUT: This type of argument passes a value to the calling environment. It is used when a function or procedure needs to return more than one value.

d) IN: This type of argument passes a value from the calling environment to the function or procedure. It is used when a function or procedure needs to receive values from the calling environment.

Therefore, the correct answer is:

The Answer is: D. IN.

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