PLSQL-Code-Samples/13. Local Subprograms (Code Samples).html at main · sumaiya1996/PLSQL-Code-Samples · GitHub

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<pre class="prettyprint linenums">----------------- creating and using subprograms in anonymous blocks - false usage
create table emps_high_paid as select * from employees where 1=2;
/
declare
  procedure insert_high_paid_emp(emp_id employees.employee_id%type) is
    emp employees%rowtype;
    begin
      emp := get_emp(emp_id);
      insert into emps_high_paid values emp;
    end;
  function get_emp(emp_num employees.employee_id%type) return employees%rowtype is
    emp employees%rowtype;
    begin
      select * into emp from employees where employee_id = emp_num;
      return emp;
    end;
begin
  for r_emp in (select * from employees) loop
    if r_emp.salary &gt; 15000 then
      insert_high_paid_emp(r_emp.employee_id);
    end if;
  end loop;
end;
----------------- reating and using subprograms in anonymous blocks - true usage
declare
  function get_emp(emp_num employees.employee_id%type) return employees%rowtype is
    emp employees%rowtype;
    begin
      select * into emp from employees where employee_id = emp_num;
      return emp;
    end;
  procedure insert_high_paid_emp(emp_id employees.employee_id%type) is
    emp employees%rowtype;
    begin
      emp := get_emp(emp_id);
      insert into emps_high_paid values emp;
    end;
begin
  for r_emp in (select * from employees) loop
    if r_emp.salary &gt; 15000 then
      insert_high_paid_emp(r_emp.employee_id);
    end if;
  end loop;
end;
----------------- The scope of emp record
declare
  procedure insert_high_paid_emp(emp_id employees.employee_id%type) is
    emp employees%rowtype;
    e_id number;
    function get_emp(emp_num employees.employee_id%type) return employees%rowtype is
      begin
        select * into emp from employees where employee_id = emp_num;
        return emp;
      end;
    begin
      emp := get_emp(emp_id);
      insert into emps_high_paid values emp;
    end;
begin
  for r_emp in (select * from employees) loop
    if r_emp.salary &gt; 15000 then
      insert_high_paid_emp(r_emp.employee_id);
    end if;
  end loop;
end;</pre>