oracle spatial queries

[Solomon Maina Thuo]

hi guys. i got problems performing querybypoint. i am connecting to
oraclespatial 9.0 rv 2 running on a linux box. i am using mapserver 4.2 and
so have i have been able to solve most problems relating to connecting to
the database and displaying layers. i am using the native connection
method. the problem is that i don't know how to query the databse about
specific points. just don't know how. please help