ORA-31516: CDC change set string already exists
Cause : AC hnag eDtaaC atpuer hcagnes e titnedne dfro miprota lerayd xeitse.d
Action - How to fix it : DBA Scripts :: www.high-oracle.com/scripts
Etihre evrfiyt hta htee xsitnigc hnag este ahst h edseierdc hraatceirsitc so rdorpt h eeixsitn gcahneg esta n dprefromt h eipmotr gaani.
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.