操作环境 SuSE11+Oracle11gR2 问题现象 删除ORACLE数据库用户失败,提示ORA-01940: cannot drop a user that is currently connected错误 问题分析 NA 问题解决 SQL>SELECT SID,SERIAL# FROM V$SESSION WHERE USERNAME='USERNAE'; SQL>ALTER SYSTEM DISCONNECT SESSION 'SID,SERIAL#' IMMEDIATE; 知识延伸…