How to check the leap year among the years of earning a new degree?

Question

Hi All,
I've developed a report to print a report of emplyees who earn a new degree between tow dates entered by two user parameters.
I've used this code to do that:
SELECT ALL E.EMP_SID, E.EMP_FULL_NAME, E.FINANCIAL_NO
(CASE WHEN E.qualification_sid = 1104 AND E.degree_sid = 8 THEN
(TO_DATE(E.degree_DATE, 'DD-MM-RR')+(365*M.spe_per)+1)
ELSE
(TO_DATE(E.degree_DATE, 'DD-MM-RR')+(365*M.yea_per)+1)
END)
COMM_degree,
FROM EMPLOYEESS E, DEGREES M
WHERE (CASE WHEN E.qualification_sid = 1104 AND E.degree_sid = 8 THEN
(TO_DATE(E.degree_DATE, 'DD-MM-RR')+(365*M.spe_per)+1)
ELSE
(TO_DATE(E.degree_DATE, 'DD-MM-RR')+(365*M.yea_per)+1)
END)
BETWEEN TO_DATE(:P_F_DATE, 'DD-MM-RR') AND TO_DATE(:P_L_DATE, 'DD-MM-RR')
AND (E.degree_SID = M.SID)
ORDER BY M.SID DESC, E.EMP_FULL_NAME
Now there is a mistake in the data resulted for some employees who have leap yaers in thier earning yaers
for example: an employee has a degree date of 01/10/2011 and the supposed earn of next degree is 01/10/2016 but the report gives it as 30/09/2016 because there is a leap year 2012 which has 366 days not 365 days as I count in the code!
If there is any mysterious thing in the code please don't hesitate to ask about it!
Plz how to solve this problem?
Note: I'm using Reports 6i.

Answer 1

HI
tRY ADD_MONTHS(SYSDATE,12) - IN PLACE OF 365 DAYS
IF ANY PROBLEM LET US KNOW