去掉oracle dblink长长的domain 后缀
select * from global_name;
update global_name a
set a.global_name='&SidName';
SHUTDOWN IMMEDIATE
STARTUP
select * from global_name;
重建dblink
select * from user_db_links;
select * from global_name;
update global_name a
set a.global_name='&SidName';
SHUTDOWN IMMEDIATE
STARTUP
select * from global_name;
重建dblink
select * from user_db_links;