Oracle ( Log in code ) query, make db & java LogIn code

SET DEFINE OFF;

Insert into LOGIN_USER

   (USR_ID, USRNAME, USRPW, USRTYPE, EMAIL,

    ACT_FG, CRE_DT, CRE_BY, UPD_DT, UPD_BY,

    USRIMG, GENDER, CONTACT_NO, EMP_ID)

 Values

   (1, 'kaniz', '`“ºŒt¨©dve;WÌ^h8Ë$    Ð', NULL, NULL,

    1, NULL, NULL, NULL, NULL,

    NULL, NULL, NULL, NULL);

COMMIT;

USR_ID = 1

USRNAME = as wish

Coloumn USRPW  = 6093BA8C74A8A96476653B57CC5E6838CB2409D0

USRTYPE = empty

EMAIL = empty

ACT_FG = 1

CRE_DT = empty

CRE_BY = empty

UPD_DT = empty UPD_BY = empty

And others coloumn empty

Log in Code

//START Login code **************

/*public String quickRegPage(){

           

            String usrname = "";

            String usrpw = "";

            boolean fg = true;

        con = dbc.connectDB();

        if (con == null) {

            fg = false;

        }

           

           

       

        if (fg) {

            try {

                  st = con.createStatement();

                query = "select usrname from  login_user where usrname='" + userName + "' "

                        + " and usrpw= pkg_password.encrypt_passmd5('" + password + "') "

                        + " and nvl(act_fg,'0')='1'";

                System.out.println(query);

                rs = st.executeQuery(query);

                while (rs.next()) {

                  usrname = rs.getString("usrname");

                 

                }

            } catch (SQLException sq) {            

                sq.printStackTrace();

            } finally {

                try {

                    if (rs != null) {

                        rs.close();

                    }

                  

                    con.close();

                } catch (SQLException ex) {

                    ex.printStackTrace();

                }

            }

        }

       

        if (!usrname.equals("") || usrname!="" && !usrpw.equals("") || usrpw!="") {

            return "quickRegPage";

        }else{

            return "quickRegPageFail";   

        }

       

       

            //return "quickRegPageFail";

      }*/

           

//END Log in code ***************