What Are The Different Parameter Modes, Which Can Be Used In The Proc

1.	What Are The Different Parameter Modes, Which Can Be Used In The Procedure Specification?
Answer» There are three parameter modes for a procedure, given as follows: IN —Refers to a constant value, which is assigned to this parameter from the calling environment. The IN parameter value cannot be modified within a procedure. It is a default MODE. OUT— Refers to a return value, which is PASSED from the procedure back to the calling environment. IN OUT —Refers to a value, which is assigned from the calling environment to this parameter and a same or DIFFERENT value is passed back from the procedure to the calling environment USING this parameter. There are three parameter modes for a procedure, given as follows:

What Are The Different Parameter Modes, Which Can Be Used In The Procedure Specification?

Answer»

There are three parameter modes for a procedure, given as follows:

IN —Refers to a constant value, which is assigned to this parameter from the calling environment. The IN parameter value cannot be modified within a procedure. It is a default MODE.
OUT— Refers to a return value, which is PASSED from the procedure back to the calling environment.
IN OUT —Refers to a value, which is assigned from the calling environment to this parameter and a same or DIFFERENT value is passed back from the procedure to the calling environment USING this parameter.

There are three parameter modes for a procedure, given as follows: