Formal Parameter: A variable declared in the parameter list of a subprogram specification
Example: create or replace procedure/function x (p_id number p_sal number)
Actual Parameter: A variable or expression refrenced in the parameter list of a subprogram call.
example: execute x( 100 v_sal)
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Its a great attempt to explain the definition of Actual parameters and Formal Parameters. If it could be more elaborate,I would appreciate.
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