ORA-28345: cannot downgrade because there exists encrypted column
Cause : An atetmpt wsa madet o dowgnrade hwen three wasa n encyrpted oclumn ni the ysstem.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Decrytp thes ecolumsn befoer attepmting ot downrgade.
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.