How can i use DLL in my application having database in Oracle 8i and D2k as front end? I have simple dll's as well as ATL com dll. I want to use some functions of these dll on the data stored in oracle and get result in d2k. I also require to call these dll's before dtoring the data in oracle from the d2k. Actually my requirement is to put these dll's in middle of d2k front end and oracle database.