We routinely change Oracle passwords as part of security best-practice, I keep hitting this and keep forgetting why! :-) [sourcecode language=‘sql’] ALTER USER DAC_REPO IDENTIFIED BY 1KoBe3RH REPLACE YlR94tqp [/sourcecode] Error report: SQL Error: ORA-00922: missing or invalid option 00922. 00000 - “missing or invalid option” *Cause: *Action: Someone better qualified than me can explain why but I suspect it’s the leading number in the new password. Quoting the passwords then works fine: