Some diffrence in oracle query and mysql query

Question

sir i see both query in SessionBean1
mysql query
SELECT ALL usert.username,
usert.userid,
usert.camid FROM usert
this not use user name
oracle query
SELECT ALL MFA.LUSER.USERID,
MFA.LUSER.TITLE,
MFA.LUSER.CAMPID,
MFA.LUSER.PWD,
MFA.LUSER.USERNAME
FROM MFA.LUSER
the user name mfa is use in this query you can see
this is main diffrence
but i yse both in code but not get result
try {
RowKey userRowKey = luserDataProvider.findFirst
(new String[] { "MFA.LUSER.USERNAME" },
new Object[] { textField4.getText()});
if (userRowKey == null) {
textField3.setText("11111");
return null;
} else {
textField3.setText("22222");
return null;
catch (Exception e) {
log("Cannot perform login for userid " + textField3.getText(), e);
error("Cannot perform login for userid " + textField3.getText() + ": " + e);
textField3.setText("77777");
return null;
problem in only oracle not in mysql
please give me idea how i get result
thank you

Answer 1

can you post your query with explain plan for both 9i version and 10g version.
Thanks,
karthick.