review : oracle sqlplus login
Version: 11.2.0 C:\app\x\product\11.2.0\dbhome_1\BIN>sqlplus sys/pass1234@orcl as sysdba SQL> conn user01/pass@orcl; C:\app\x\product\11.2.0\dbhome_1\BIN>sqlplus user01/pass@orcl Version : 12c1 sqlplus /@127.0.0.1: 1522 / pdborcl as sysdba