{データベースの作成その他}簡易接続

https://docs.oracle.com/cd/F19136_01/netag/configuring-naming-methods.html#GUID-59956F00-4996-4943-8D8B-9720DC67AD5D

echo "set lines 1000
set pages 5000
select * from v\$instance;
show con_name;" | sqlplus system/oracle@mmm111:1521/orcl.example.com