新建OracleDBlink 脚本:
CREATE PUBLIC DATABASE LINK XX_DBLINK CONNECT TO 用户名(小写) IDENTIFIED BY 密码(小写) USING '(DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = 目标数据库IP)(PORT = 目标数据库端口)) ) (CONNECT_DATA = (SERVICE_NAME = 目标数据库服务名) ) )'