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version:
Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
PL/SQL Release 11.2.0.3.0 - Production
CORE 11.2.0.3.0 Production
TNS for Linux: Version 11.2.0.3.0 - Production
NLSRTL Version 11.2.0.3.0 - Production
(监听已经启动)
为什么通过sqlplus远程连接Oracle数据库的时候会出现问题?有时候能够连接上,有什么就连接不上?
(状况如下图所示)
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