可以看到上面有cdbtest.oracle.com ,pdb1.oracle.com,pdb3_his.oracle.com 这3个服务,下面使用cdbtest.oracle.com来连接 $sqlplus sys/password@localhost:1521/cdbtest.oracle.com as sysdba SQL*Plus: Release 12.1.0.1.0 Production on Mon Apr 14 20:53:22 2014 Copyright (c) 1982, 2013, Oracle. Al...