ORA-19160: XP0003 - syntax error: invalid variable name string
Cause : The given XQuery variable does not begin with the '$' sign
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Fix the variable name to start with the "$" sign.
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.