ORA-30747: cannot create substitutable tables or columns of non final type string.string
Cause : The user tried to create substitutable table or column of a non final type. This operation is not currently supported.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Change the statement to create a non substitutable table/column.
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.