ORA-19250: XQ0030 - too many values to validate expression
Cause : The argument of a validate expression returned more than one element or document node.
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Fix the argument of the validate expression to return a single element or document node.
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.