Query : select  Nvl(max(dlastclosingdate),trunc(sysdate)) as dlastclosingdate from tblcdslparameter
Is NSDL C Connection string : Data Source=192.168.200.212/dpcdsl;User Id=CLLVL;Password=;Connection Lifetime = 120; Connection Timeout = 60;
Query Result : Error :- ORA-01005: null password given; logon denied / Data Source=192.168.200.212/dpcdsl;User Id=CLLVL;Password=;Connection Lifetime = 120; Connection Timeout = 60;