The following query works on Oracle 10.2.0.1.0 on windows,but doesn't work on Oracle 10.2.0.2.0 on Linux. What's the problem?How can I make it work? Thanks!

CREATE TABLE AUDITHISTORY(
  CASENUM numeric(20, 0) NOT NULL,
  AUDIT_DATE date NOT NULL,
  USER_NAME varchar(255) NULL,
  AUDIT_USECS numeric(6, 0) NOT NULL
)

Query:

SELECT T.CASENUM,
       T.USER_NAME,
       T.AUDIT_DATE AS STARTED,
       (SELECT * 
          FROM (SELECT S.AUDIT_DATE 
                  FROM AUDITHISTORY S 
                 WHERE S.CASENUM=T.CASENUM
                   AND S.USER_NAME=T.USER_NAME 
                   AND (S.AUDIT_DATE > T.AUDIT_DATE OR (S.AUDIT_DATE = T.AUDIT_DATE AND S.AUDIT_USECS > T.AUDIT_USECS))
              ORDER BY S.AUDIT_DATE ASC,S.AUDIT_USECS ASC
       ) WHERE rownum <= 1) AS ENDED
FROM AUDITHISTORY T 

BANNER

Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Prod PL/SQL Release 10.2.0.1.0 - Production
CORE 10.2.0.1.0 Production
TNS for 32-bit Windows: Version 10.2.0.1.0 - Production
NLSRTL Version 10.2.0.1.0 - Production

BANNER

Oracle Database 10g Enterprise Edition Release 10.2.0.2.0 - Prod PL/SQL Release 10.2.0.2.0 - Production
CORE 10.2.0.2.0 Production
TNS for Linux: Version 10.2.0.2.0 - Production
NLSRTL Version 10.2.0.2.0 - Production