Thursday, June 08, 2017


I wondered what would happen if you tried to do a password expire on an externally identified user so I tried it out on an Oracle 11.2 database. As you might expect, it failed:
SQL> alter user system identified externally
  2  /
User altered.
SQL> alter user system password expire
  2  /
alter user system password expire
ERROR at line 1:
ORA-28010: cannot expire external or global accounts
I guess this is because if an externally identified user had to change his password, he would not be externally identified any longer. Also, a user cannot change itself to or from external identification unless it has the ALTER USER privilege.

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