Answer Posted / amit
In a procedure, we can return a value using OUT PARAMETER
or EVEN USING IN OUT PARAMETER.
For Eg:
CREATE OR REPLACE PROCEDURE add_num(a IN NUMBER, b IN OUT
NUMBER) IS
BEGIN
b:= a + b;
END add_num;
The IN OUT / OUT parameters can be modified within PLSQL
block and the updated values of this parameter can be
refered using a actual paramter once the execution of this
procedure is completed.
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