I am not able to put the exclamation point in a password:
demo40@ORCLDEV> create user testtest identified by testtest;
User created.
demo40@ORCLDEV> alter user testtest identified by test!test;
alter user testtest identified by test!test
*
ERROR at line 1:
ORA-00922: missing or invalid option
demo40@ORCLDEV> select * from v$version;
BANNER
----------------------------------------------------------------
Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Prod
PL/SQL Release 10.2.0.1.0 - Production
CORE 10.2.0.1.0 Production
TNS for 32-bit Windows: Version 10.2.0.1.0 - Production
NLSRTL Version 10.2.0.1.0 - Production
demo40@ORCLDEV>
Any idea why?