Oracle tnsnames.ora 설정 $ORACLE_HOME/network/admin 디렉토리에 위치 tnsnames.ora ORCL = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = ip주소 )(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = orcl) ) ) EXTPROC_CONNECTION_DATA = (DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1)) ) (CONNECT_DATA = (SID = PLSExtProc) (PRES..