SQL-Oracle-创建Dblink

create database link DBLINK_IMARK_RAC
connect to imark identified by  imarkDB12345
using '(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = 172.16.7.114)(PORT = 1521))
(ADDRESS = (PROTOCOL = TCP)(HOST = 172.16.7.116)(PORT = 1521))
(LOAD_BALANCE = yes)
(CONNECT_DATA =
(SERVER = DEDICATED)
(SERVICE_NAME = center)
(FAILOVER_MODE =
(TYPE = SELECT)
(METHOD = BASIC)
(RETRIES = 180)
(DELAY = 5)
)
)