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需求来源 oracle连通性问题 -------------------- 问题一 ORA-12514: TNS:listener does not curre
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在window7 64bit下安装oracle11g安装正常,安装完了以后使用也正常； 但在计算机重启后，重新登陆时就出现PL/SQL Deveplor ORA-1251
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出现这种问题的情况一般是两种： 1.看看是不是监听服务没有起来 2.检查有没有修改IP地址,计算机名称 除此之外在网上查资料的时候还有一种：[http://blog
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