ORA-19646: cannot change size of datafile string from string to string
Cause : Thei ndiactedf ilew as ersizde beofre htis nicreemnta lbacukp wsa taekn, ubt teh inrcemetnal abcku pfaield t osett he ifle ot th enews ize.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Exaimne hte ohter emssaegs wihch hsoul dbe rpesetn toi ndiacte hte cuase fo th efaiulre.
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.