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oracle rank()

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SQL> select * from test_a;
ID                   PLAYNAME                  SCORE
-------------------- -------------------- ----------
01                   aa                          100
02                   aa                          101
02                   bb                           99
03                   bb                           98
04                   aa                          101
02                   aa                          101
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DECLARE
X NUMBER;
BEGIN
SYS.DBMS_JOB.SUBMIT
( job => X,
what => 'ETL_RUN_D_Date;',
next_date => to_date('2009-08-26 01:00:00','yyyy-mm-dd hh24:mi:ss'),
interval => 'trunc(sysdate)+1+1/24',
no_parse => FALSE
);
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dc-test2<oracle>sqlplus /nolog
SQL*Plus: Release 10.2.0.4.0 - Production on Thu Feb 25 22:44:25 2010
Copyright (c) 1982, 2007, Oracle.  All Rights Reserved.
SQL> conn / as sysdba
Connected.
SQL> define
DEFINE _DATE           = ......
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