关于oracle dblink
在oracle中访问另外一个实例下的oracle可采用dblink来实现
首先用户要有创建DBLINK的权限
-- GRANT CREATE DATABASE LINK TO GTFZ;赋予权限
-- revoke create database link from gtfz; 收回权限
创建
CREATE DATABASE LINK MONIDB_DBLINK
CONNECT TO monidb identified by monidb
using '(DESCRIPTION = (
ADDRESS_LIST = (
ADDRESS = (PROTOCOL = TCP)
(HOST = 188.177.155.22)
(PORT = 1521)
)
)
(CONNECT_DATA = (SERVICE_NAME = devel))
)';
使用:
select * from T_BASE_AUTHORITY@MONIDB_DBLINK
select * from T_BASE_AUTHORITY@MONIDB_DBLINK