NEW feature Last login timestamp in 12c Database

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         12c Database now shows the last login time stamp.

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[oracle@Linux03 pdborcl3]$ sqlplus pdborcl1_usr2/XXXXXXX@pdborcl1

SQL*Plus: Release 12.1.0.2.0 Production on Mon Mar 7 14:39:21 2016

Copyright (c) 1982, 2014, Oracle.  All rights reserved.

Last Successful login time: Mon Mar 07 2016 11:46:08 -06:00

SQL> show user

USER is "PDBORCL1_USR2"

SQL> select table_name from tabs;

TABLE_NAME
--------------------------------------------------------------------------------

TEST

SQL> col last_login FOR a25

SQL> col username FOR a15

SQL> SELECT username,last_login FROM dba_users WHERE username='PDBORCL1_USR2';

USERNAME LAST_LOGIN

--------------- -------------------------

PDBORCL1_USR2 07.03.2016 14:39:21

  *********************** NOTE ******************************

NON DBA USERS CAN'T QUERY DBA_USERS TABLE. TRY THIS AS DBA USER

SQL> SELECT username,last_login FROM dba_users WHERE username='PDBORCL1_USR2';

SELECT username,last_login FROM dba_users WHERE username='PDBORCL1_USR2'

                                *

ERROR at line 1:

ORA-00942: table or view does not exit

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You can disable times tamp at run time as below

[oracle@Linux03 pdborcl3]$ sqlplus -nologintime pdborcl1_usr2/pdborcl1_usr2@pdborcl1

SQL*Plus: Release 12.1.0.2.0 Production on Mon Mar 7 14:51:40 2016

Copyright (c) 1982, 2014, Oracle.  All rights reserved.

Connected to:

Oracle Database 12c Enterprise Edition Release 12.1.0.2.0 - 64bit Production

With the Partitioning, OLAP, Advanced Analytics and Real Application Testing options

However even if you can disable times tamp at run time , it will be audit in dba_user table:

SQL> SELECT username,last_login FROM dba_users WHERE username='PDBORCL1_USR2';

USERNAME                      LAST_LOGIN

---------------                      -------------------------

PDBORCL1_USR2        07.03.2016 14:51:40

Points to remember:

• However even if you can disable times tamp at run time , it will be audit in dba_user table.

• This Time stamp wont be recorded for SYS user.

• This Time stamp wont be recorded for OS authenticated users.

• No login time recording for administrative users respectively password file users