ALTER USER { user { IDENTIFIED { BY password [ REPLACE old_password ] | EXTERNALLY [ AS 'certificate_DN' | AS 'kerberos_principal_name' ] | GLOBALLY [ AS '[directory_DN]' ] } | DEFAULT TABLESPACE tablespace | TEMPORARY TABLESPACE { tablespace | tablespace_group_name } | { QUOTA { size_clause | UNLIMITED } ON tablespace } ... | PROFILE profile | DEFAULT ROLE { role [, role ]... | ALL [ EXCEPT role [, role ]... ] | NONE } | PASSWORD EXPIRE | ACCOUNT { LOCK | UNLOCK } | ENABLE EDITIONS [ FOR object_type [, object_type ]... ] [ FORCE ] | CONTAINER = { CURRENT | ALL } | container_data_clause } ... | user [, user ]... proxy_clause } ;