Type vs rowtype

Question

     this must be one of the most ask question, from research i done
just to get it straight here is a example
    pnLeadID          p_lead.lead_id%TYPE ,
  IS
    v_lead_rec           p_lead%ROWTYPE;
   v_lead_rec       := dml_p_lead.get_rec(pnLeadID);
-- %TYPE is used to declare a field with the same type as
-- that of a specified table's column:
-- %ROWTYPE is used to declare a record with the same types as
-- found in the specified database table, view or cursor:
so pnleadid it gets the collumn in p_lead table
so for v_lead_rec is saying what ever is in the collumn pnleadid =v_lead_rec
did i get it right ? correct me if im wrong
thanks

Answer 1

did i get it right ? correct me if im wrong
Yes - Here is some simple sample code you can use in the SCOTT schema to see what happens
create or replace type emp_scalar_type as object
  (EMPNO NUMBER(4) ,
   ENAME VARCHAR2(10),
   JOB VARCHAR2(9),
   MGR NUMBER(4),
   HIREDATE DATE,
   SAL NUMBER(7, 2),
   COMM NUMBER(7, 2),
   DEPTNO NUMBER(2)
-- table of emp records
create or replace type emp_table_type as table of emp_scalar_type
-- pipelined function
create or replace function get_emp( p_deptno in dept.deptno%TYPE )
  return emp_table_type
  PIPELINED
  as
   TYPE EmpCurTyp IS REF CURSOR RETURN emp%ROWTYPE;
    emp_cv EmpCurTyp;
    l_rec  emp%rowtype;
  begin
    open emp_cv for select * from emp where deptno = p_deptno;
    loop
      fetch emp_cv into l_rec;
      exit when (emp_cv%notfound);
      pipe row( emp_scalar_type( l_rec.empno, LOWER(l_rec.ename),
          l_rec.job, l_rec.mgr, l_rec.hiredate, l_rec.sal, l_rec.comm, l_rec.deptno ) );
    end loop;
    return;
  end;
select * from table(get_emp(20))
Note that the function uses both %TYPE for the parameter and %ROWTYPE to hold a row of the EMP table:
create or replace function get_emp( p_deptno in dept.deptno%TYPE )
    l_rec  emp%rowtype;
  begin
The %TYPE makes sure that the parameter has a value that is compatible with the DEPTNO column of the DEPT table.
Notice that you can NOT tell what that datatype actually is by looking at the code.