Is there any step by step procedure to enable flashback in oracle9i?

Question

Friends,
I am in a situation to enable the flashback option in oracle9iR2.
I didnt find anywhere....
i saw this....
http://download-uk.oracle.com/docs/cd/B10501_01/appdev.920/a96590/adg08sql.htm#10851
even though its not step by step.
can anybody point me the document which is having a step by step setup?
or anybody is having a self document to enable flashback in oracle9iR2.
thanks
sathyguy

Answer 1

here is the result....
SQL> SELECT * FROM EMP;
     EMPNO ENAME      JOB              MGR HIREDATE           SAL       COMM     DEPTNO
      7369 SMITH      CLERK           7902 17-DEC-1980        800                    20
      7499 ALLEN      SALESMAN        7698 20-FEB-1981       1600        300         30
      7521 WARD       SALESMAN        7698 22-FEB-1981       1250        500         30
      7566 JONES      MANAGER         7839 02-APR-1981       2975                    20
      7654 MARTIN     SALESMAN        7698 28-SEP-1981       1250       1400         30
      7698 BLAKE      MANAGER         7839 01-MAY-1981       2850                    30
      7782 CLARK      MANAGER         7839 09-JUN-1981       2450                    10
      7788 SCOTT      ANALYST         7566 19-APR-0087       3000                    20
      7839 KING       PRESIDENT            17-NOV-1981       5000                    10
      7844 TURNER     SALESMAN        7698 08-SEP-1981       1500          0         30
      7876 ADAMS      CLERK           7788 23-MAY-0087       1100                    20
     EMPNO ENAME      JOB              MGR HIREDATE           SAL       COMM     DEPTNO
      7900 JAMES      CLERK           7698 03-DEC-1981        950                    30
      7902 FORD       ANALYST         7566 03-DEC-1981       3000                    20
      7934 MILLER     CLERK           7782 23-JAN-1982       1300                    10
14 rows selected.
SQL> DELETE FROM EMP;
14 rows deleted.
SQL> COMMIT;
Commit complete.
SQL> SELECT * FROM EMP
  2  AS OF TIMESTAMP to_timestamp('08-APR-2007','DD-MON-YYYY');
SELECT * FROM EMP
ERROR at line 1:
ORA-01466: unable to read data - table definition has changed[\pre]
i tried to enable flashback before the above statement like this....
SQL> EXEC DBMS_FLASHBACK.ENABLE_AT_TIME('08-APR-2007','DD-MON-YYYY')
BEGIN DBMS_FLASHBACK.ENABLE_AT_TIME('08-APR-2007','DD-MON-YYYY'); END;
ERROR at line 1:
ORA-06550: line 1, column 7:
PLS-00306: wrong number or types of arguments in call to 'ENABLE_AT_TIME'
ORA-06550: line 1, column 7:
PL/SQL: Statement ignored
so.....how can i enable this?
Thanks