解决(Oracle)ORA-12528: TNS: 监听程序: 所有适用例程都无法建立新连接 问题
ORACLE启动步骤:
sqlplus / as sysdba;
shutdown;
startup 等于以下三个命令
startup nomount;
alter database mount;
alter database open;
ORACLE启动步骤:
sqlplus / as sysdba;
shutdown;
startup 等于以下三个命令
startup nomount;
alter database mount;
alter database open;

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