filename : tnsnames.ora
location :
windows : %ORACLE_HOME%\network\admin\tnsnames.ora
linux : $ORACLE_HOME/network/admin
TNS_NAME =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = [IP OR HOST ADDRESS])(PORT = 1521))
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = [SERVICE_NAME])
)
)