SCN why is it different

  • From: BN <bnsarma@xxxxxxxxx>
  • To: oracle-l <oracle-l@xxxxxxxxxxxxx>
  • Date: Mon, 18 Jan 2010 19:26:58 -0500

Greetings

Orlace 10.2.0.4, SUN 9

Why is SCN  different,  shouldn't all of them be same, what am I missing
here

19:19:20 TESTDB:SYS> select current_scn, current_timestamp,
DBMS_FLASHBACK.GET_SYSTEM_CHANGE_NUMBER() from v$database;
         CURRENT_SCN CURRENT_TIMESTAMP
--------------------
---------------------------------------------------------------------------
DBMS_FLASHBACK.GET_SYSTEM_CHANGE_NUMBER()
-----------------------------------------
      10789444571800 18-JAN-10 07.20.38.044102 PM -05:00
                           10789444571818

1 row selected.
Elapsed: 00:00:00.10
19:20:38 TESTDB:SYS> select timestamp_to_scn('18-JAN-10 07.20.38.044102 PM')
from dual;
TIMESTAMP_TO_SCN('18-JAN-1007.20.38.044102PM')
----------------------------------------------
                                10789444571785


-- 
Regards & Thanks
BN

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