------创建dblink 其中dcs_orcl_link为dblink的名字 ------orcl 是密码 -----ORCL 是连接字符串的别名 也可以直接用tns后面的那一串 create database link dcs_orcl_link connect to SYS identified by "pass" using "(DESCRIPTION = (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = xxx.xx.xx.xxx)(PORT = 1521))) (CONNECT_DATA = (SERVICE_NAME = xxxx)))"; ----查询库中的dblink select * from dba_objects t where t.OBJECT_TYPE='DATABASE LINK' ----使用dblink 用@符号 select * from dual@dcs_orcl_link;
oracle的dblink
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