Oracle 12c-Define procedure and implement logic in DECLARATION section of PLSQL block


DECLARE
 emp_salary NUMBER(8,2);

 PROCEDURE adjust_salary (  emp NUMBER,
                             sal IN OUT NUMBER,
                             adjustment NUMBER  ) IS

 BEGIN
 sal := sal + adjustment;
 END;

BEGIN
 select amount_due_original INTO emp_salary
 from ar_payment_schedules_all
 where trx_number = 'XXXXX'
 and payment_schedule_id = XXXX;

 DBMS_OUTPUT.PUT_LINE ('Before invoking procedure, emp_salary: ' || emp_salary);

 adjust_salary (100, emp_salary, 1000);

 DBMS_OUTPUT.PUT_LINE  ('After invoking procedure, emp_salary: ' || emp_salary);

END;

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