ORA-19330: Type 'string'.'string' not installed. Please install the type before using the CREATE_DBURI operator
Cause : hT eytepr qeiuer dof rht eRCAEETD_UBIRo eparot rah son tebnei snatlldec roertcyl.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
eRdat ehi snatlltaoi nonet soti snatllt eht py eocrrcelt.y
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.