Date comparision - urgent

Question

Hi Experts,
I have a requirement where i need to count the no. of  operands that are active at the user entered report to date.
(Logic = operands valid to is  greater than or equal to Report to date user entry variable)
operands valid to date = iam capturing it using a formula variable replacement path and dimension as Date (ZValidto).
User entry Report to date = iam capturing it using the customer exit variable and dimension as Date(ZRTDEX).
Calculated KF(No.of Operands) = (ZValidto >= ZRTDEX) * DataRecordCounter
The above logic works fine for few records but not for all of them.
Thanks in advance.
points will be assigned.
sam.

Answer 1

A DATE column does not have a format-- it is stored in the same packed binary format. Date format masks are only important when you go to convert a date to a string for display.
If you want to ignore the time component of the date, you would need to TRUNC your date, i.e.
SELECT C.idnumber,A.fullname, A.description
  FROM Contact C,
       Action A
WHERE TRUNC(c_date) = to_date('02/16/2009', 'mm/dd/yyyy')
   AND C.actioncode = A.code ;Of course, this will prevent Oracle from using an index on C_DATE. The solution to this is to create a function-based index on TRUNC( c_date ), i.e.
CREATE INDEX idx_trunc_cdate
  ON contact ( TRUNC( c_date ) );Oracle would then be able to use the new index IDX_TRUNC_CDATE for your query. If all your queries want to ignore the time component, you may want to evaluate whether you can get rid of the index on C_DATE alone.
Justin