1. Target 테이블명이 대문자일때,
edb=# select dblink_ora_copy('dblink_test','select * from EMP','enterprisedb','EMP_ORA',true,10);
ERROR: relation "enterprisedb.EMP_ORA" does not exist
2. oracle DBMS 가 shutdown 중이고, listner 가 떠 있는 상태
edb=# select dblink_ora_connect('dblink_test','192.168.227.138','orcl','scott','daou2014','1521',false);
ERROR: OCI call failed
DETAIL: ORA-12528: TNS:listener: all appropriate instances are blocking new connections
3. oracle DBMS 가 offline 상태이고, listner 가 떠 있는 상태
edb=# select dblink_ora_connect('dblink_test','192.168.227.138','orcl','scott','daou2014','1521',false);
ERROR: OCI call failed
DETAIL: ORA-12514: TNS:listener does not currently know of service requested in connect descriptor
4. listner가 stop 일때,
edb=# select dblink_ora_connect('dblink_test','192.168.227.138','orcl','scott','daou2014','1521',false);
ERROR: OCI call failed
DETAIL: ORA-12541: TNS:no listener
5. oracle DBMS 가 startup 된 상태이고, listner가 stop 상태일때,
edb=# select dblink_ora_connect('dblink_test','192.168.227.138','orcl','scott','daou2014','1521',false);
ERROR: OCI call failed
DETAIL: ORA-12541: TNS:no listener
6. oracle DBMS 가 startup 된 상태이고, listner가 start 상태일때,
edb=# select dblink_ora_connect('dblink_test','192.168.227.138','orcl','scott','daou2014','1521',false);
ERROR: OCI call failed
DETAIL: ORA-12514: TNS:listener does not currently know of service requested in connect descriptor
>> sqlplus 로 접속 후, emp 테이블 조회를 한 상태에서 다시 ppas 쪽 수행
edb=# select dblink_ora_connect('dblink_test','192.168.227.138','orcl','scott','daou2014','1521',false);
dblink_ora_connect
--------------------
OK
(1 row)
정상 수행됨.
