update : 29-04-2017

DBA Script : fdb_status.sql

-- | FILE : fdb_status.sql |
-- +----------------------------------------------------------------------------+
-- | |
-- | |
-- | www.high-oracle.com |
-- |----------------------------------------------------------------------------|
-- | www.high-oracle.com |
-- |----------------------------------------------------------------------------|
-- | DATABASE : Oracle |
-- | FILE : fdb_status.sql |
-- | CLASS : Flashback Database |
-- | PURPOSE : Provide an overview of the current state of the Flashback |
-- | database feature. First check that Flashback Database is |
-- | enabled. Next, provide an overview of the retention policy |
-- | settings and estimated size of the Flashback Logs. |
-- | NOTE : As with any code, ensure to test this script in a development |
-- | environment before attempting to run it in production. |
-- +----------------------------------------------------------------------------+
SET TERMOUT OFF;
COLUMN current_instance NEW_VALUE current_instance NOPRINT;
SELECT rpad(sys_context('USERENV', 'INSTANCE_NAME'), 17) current_instance
FROM dual;
SET TERMOUT ON;
PROMPT
PROMPT +------------------------------------------------------------------------+
PROMPT | Report : Flashback Database Status |
PROMPT | Instance : ¤t_instance |
PROMPT +------------------------------------------------------------------------+
SET ECHO OFF
SET FEEDBACK 6
SET HEADING ON
SET LINESIZE 180
SET PAGESIZE 50000
SET TERMOUT ON
SET TIMING OFF
SET TRIMOUT ON
SET TRIMSPOOL ON
SET VERIFY OFF
CLEAR COLUMNS
CLEAR BREAKS
CLEAR COMPUTES
COLUMN dbid HEADING 'DB ID'
COLUMN name FORMAT a15 HEADING 'DB Name'
COLUMN log_mode FORMAT a18 HEADING 'Log Mode'
COLUMN flashback_on FORMAT a18 HEADING 'Flashback DB On?'
SELECT
dbid
, name
, log_mode
, flashback_on
FROM v$database;
COLUMN oldest_flashback_scn HEADING 'Oldest|Flashback SCN'
COLUMN oldest_flashback_time FORMAT a21 HEADING 'Oldest|Flashback Time' JUST right
COLUMN retention_target FORMAT 999,999 HEADING 'Retention|Target (min)'
COLUMN flashback_size FORMAT 9,999,999,999,999 HEADING 'Flashback|Size'
COLUMN estimated_flashback_size FORMAT 9,999,999,999,999 HEADING 'Estimated|Flashback Size'
SELECT
oldest_flashback_scn
, TO_CHAR(oldest_flashback_time, 'DD-MON-YYYY HH24:MI:SS') oldest_flashback_time
, retention_target
, flashback_size
, estimated_flashback_size
FROM v$flashback_database_log;

End Script

Oracle Database Error Messages



Oracle Database High Availability Any organization evaluating a database solution for enterprise data must also evaluate the High Availability (HA) capabilities of the database. Data is one of the most critical business assets of an organization. If this data is not available and/or not protected, companies may stand to lose millions of dollars in business downtime as well as negative publicity. Building a highly available data infrastructure is critical to the success of all organizations in today's fast moving economy.

Well, the reason for above error is that i have taken the above script from a 11g database and running it on 10g database. 11g has bring some changes in password management. Below code is executed on 11g and user created successfully, which is expected result.