求数据库大神.not logged on今天做oracle作业时,在dos输入一行指令,得到not logged on的回应,请问not logged

求数据库大神.not logged on今天做oracle作业时,在dos输入一行指令,得到not logged on的回应,请问not logged not logged 530 not logged in logged on 是啥意思? logged FTP连接出现530 not logged in the user name could not be found or is not logged ERROR:The user name coild not be found or is not logged in. last logged already logged logged是什么意思 数据库, 数据库 我用telnet 联上后操作时出了一个530 not logged in ftp登录错误,提示 530 not logged in,连接失败 ,是怎么回事啊 No auto-restart with logged on users for scheduled automatic updates installations中文是什么意思? You must be logged on as an Administrator to install/uninstall是怎么意思? 逻辑运算NOT(11110000)等于多少.求大神