edit the
sqlnet.authentication_services = (NONE)
or
#sqlnet.authentication_services = (TNS)
in the file network\admin\sqlnet.ora.
转载于:https://www.cnblogs.com/zwwon/archive/2006/12/27/605073.html
转载于:https://www.cnblogs.com/zwwon/archive/2006/12/27/605073.html