Oracle DBlink的建立

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Oracle DBlink的建立

1.需要用資料庫管理員給otcts使用者授予建立dblink的許可權
grant create database link to user_name with admin option;
commit;

 

2、建立DBLink

CREATE PUBLIC DATABASE LINK LINK_NAME
CONNECT TO LINK_DB_USER IDENTIFIED BY LINK_DB_PASSWORD

USING '(DESCRIPTION =(ADDRESS_LIST =(ADDRESS =(PROTOCOL = TCP)(HOST = 10.23.118.124)(PORT = 1521)))(CONNECT_DATA =(SID = DB_NAME)))';

COMMIT;

-- 資料資訊

3、用例(調用DBLink的表):
SELECT * FROM TABLE_NAME@LINK_NAME;

4.刪除

drop PUBLIC DATABASE LINK LINK_NAME;

COMMIT;

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