I received a mail for interview, I didn’t receive any call for interview, next day I got mail that , you have not cleared the interview , we can’t proceed with your candidature

its just about my current project roles and responsibilities.. after that he asked about sql like merge, rank,dense rank, sub-queries, view, materialized view, dynamic lkp cache and static lkp cache and he has asked about informatica that there are 3wf's and if we start one wf automatically the other two wf's should trigger