文档解释 ORA-28275: Multiple mappings for user nickname to LDAP distinguished name exist. Cause: The given user nickname maps to more than one LDAP ……

文档解释 ORA-28273: No mapping for user nickname to LDAP distinguished name exists. Cause: ORACLE server cannot map the given user nickname to LDAP ……

文档解释 ORA-28270: Malformed user nickname for password authenticated global user. Cause: An attempt to login as password-auuthenticated global use……