Invalid Month error in PL/SQL

Question

Hi,
The below query if given without the -- lines at an SQL prompt with work fine. But when used with in a PL/SQL will not work. It throws:
sqlcode: -1843,sqlerrm: ORA-01843: not a valid month error.
SELECT
to_char(wk_beg_d,'dd/mm/yyyy'),to_char(wk_end_d,'dd/mm/yyyy')
-- INTO
-- v_fis_wk_strt_d,
-- v_fis_wk_end_d
FROM
acct_date
WHERE
acct_d = '12-APR-07;
Any suggestions will be very helpful.
Thanks,
Ravi.

Answer 1

It reall depends on what you will be doing with v_fis_wk_strt_d and v_fis_wk_end_d.
If you are just going to display them, and need to have that format for display purposes, then
DECLARE
   v_fis_wk_strt_d VARCHAR2(11);
   v_fis_wk_end_d  VARCHAR2(11);
BEGIN
   SELECT TO_CHAR(wk_beg_d,'dd/mm/yyyy'), TO_CHAR(wk_end_d,'dd/mm/yyyy')
   INTO v_fis_wk_strt_d, v_fis_wk_end_d
   FROM acct_date
   WHERE acct_d = TO_DATE('12-APR-2007', 'dd-mon-yyyy');
END;If you are need to use them later as "real" dates, then, as Boneist suggested:
DECLARE
   v_fis_wk_strt_d DATE;
   v_fis_wk_end_d  DATE;
BEGIN
   SELECT wk_beg_d, wk_end_d
   INTO v_fis_wk_strt_d, v_fis_wk_end_d
   FROM acct_date
   WHERE acct_d = TO_DATE('12-APR-2007', 'dd-mon-yyyy');
END;John