Nvl function problem

Question

hello
can i use the following nvl funtion with sql query..
NVL('', SELECT DEPARTMENTCODE FROM TBLDEPARTMENT )
if not then what can be used instead of it?
Pl tell me??
Thanking You
With Regards
Vishal Agrawal

Answer 1

my query is
SELECT DISTINCT(A.CARDNO)PAYCODE,B.EMPNAME,C.COMPANYNAME,D.SHIFT,
E.SHIFTATTENDED,
TO_CHAR(E.SHIFT_INDT,'DD/MM/YYYY HH24:MI:SS') SHIFT_INDT,TO_CHAR(E.SHIFT_OUTDT,'DD/MM/YYYY HH24:MI:SS')SHIFT_OUTDT,
TO_CHAR(E.PUNCH1,'DD/MM/YYYY HH24:MI:SS')PUNCH1,TO_CHAR(E.PUNCH2,'DD/MM/YYYY HH24:MI:SS')PUNCH2,
TO_CHAR(E.PUNCH3,'DD/MM/YYYY HH24:MI:SS')PUNCH3,TO_CHAR(E.PUNCH4,'DD/MM/YYYY HH24:MI:SS')PUNCH4,
TO_CHAR(E.PUNCH5,'DD/MM/YYYY HH24:MI:SS')PUNCH5,TO_CHAR(E.PUNCH6,'DD/MM/YYYY HH24:MI:SS') PUNCH6,
TO_CHAR(E.PUNCH7,'DD/MM/YYYY HH24:MI:SS')PUNCH7,TO_CHAR(E.PUNCH8,'DD/MM/YYYY HH24:MI:SS')PUNCH8,
E.HW,E.ISMANNUAL,E.MANNUAL_HOURS
FROM
TEMPDATA1  A,
TBLEMPLOYEE B,
TBLCOMPANY C,
TBLEMPLOYEESHIFTMASTER D,
tbltimeregister1 e
WHERE
A.CARDNO NOT LIKE '0000%' AND
A.CARDNO NOT LIKE 'CANT%' AND
A.OFFICEPUNCH between to_date('01/12/2012 01:00:00','dd/mm/yyyy hh24:mi:ss') AND
to_date('01/12/2012 23:59:59','dd/mm/yyyy hh24:mi:ss') AND
A.CARDNO=B.PAYCODE AND
B.PAYCODE=D.PAYCODE AND
B.COMPANYCODE=C.COMPANYCODE  AND
B.DEPARTMENTCODE IN nvl( '', SELECT DEPARTMENTCODE FROM TBLDEPARTMENT) and
E.DATEOFFICE=TO_DATE('01/12/2012','DD/MM/YYYY') AND
A.CARDNO=e.paycode
ORDER BY A.CARDNO;