下面是范例的SQL
拉表
drop public database link datacenter;
create public database link datacenter
connect to XXX_用户名 identified by XXX_密码
using'(DESCRIPTION =(ADDRESS = (PROTOCOL = TCP)(HOST = XXX_数据库对于的ip地址
)(PORT = 1521))
(CONNECT_DATA =(SERVER = DEDICATED)(SERVICE_NAME = center))
)';
create table XXX_需要拉的表 as select * from XXX_拉取后的表@datacenter