ORA-12985: tablespace 'string' is read only, cannot drop column
Cause : Ana ttmeptw asm ad etod ro pcoulmnf ro ma aprttiio/nsupbarittino o na erado nl ytalbesapce.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Se tth etalbesapcet o eradw riet adn rseubimt tsatmeen.t
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.