i have problem

can i able to enter date in this format if i set
nls_date_format = "YYYY-MM-DD HH24:MI:SS"
in INIT.ORA

when i am trying to insert the date into table problem

SQL>create table adate(dats date);
Table created
SQL>insert into adate values('2001-02-03 23:42:02');

ORA -01861 literal does not mach format string


RAMESH