oracle创建dblink

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1、已经配置本地服务
以下是引用片段:
  create public database
  link fwq12 connect to fzept
  identified by neu using 'fjept'

  CREATE DATABASE LINK数据库链接名CONNECT TO 用户名 IDENTIFIED BY 密码 USING ‘本地配置的数据的实例名’;
  2、未配置本地服务
  
以下是引用片段:
create database link linkfwq
   connect to fzept identified by neu
   using '(DESCRIPTION =
   (ADDRESS_LIST =
   (ADDRESS = (PROTOCOL = TCP)(HOST = 10.142.202.12)(PORT = 1521))
   )
   (CONNECT_DATA =
   (SERVICE_NAME = fjept)
   )
   )';


CREATE DATABASE LINK "DBCENTER_LINK" CONNECT TO "dbcenterzx" IDENTIFIED BY "dbcenterzx" USING '(DESCRIPTION =  (ADDRESS_LIST = (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.3.73)(PORT = 1521))) (CONNECT_DATA = (SERVICE_NAME = dataorcl) )  )'

 

 

 

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