Oracle database link
在tnsnames.ora下建一條記錄鏈接字符串的設(shè)置 | 說(shuō) ????? 明 |
tobeijing=(description= | database link名稱:tobeijing |
(address=(protocol=tcp) | 采用tcp/ip協(xié)議 |
(host=www.bj.col.com.cn) | 欲鏈接主機(jī)名稱或IP地址 |
(port=1521)) | 網(wǎng)絡(luò)端口1521 |
(connect_data=(sid=oracle7))) | 安裝ORACLE采用的sid |
1.Create DB Link:
CREATE [PUBLIC] DATABASE LINK <link_name>
CONNECT TO <user_name>
IDENTIFIED BY <password>
USING '<service_name>';//這里為tobeijing
2.Drop DB Link:
DROP [PUBLIC] DATABASE LINK <link_name>;
3.Query DB Link:
SELECT db_link, owner, host, username
FROM dba_db_links
ORDER BY db_link;
4.Use DB Link for SELECT:
SELECT * FROM <schema_name>.<table_name>@<link_name>;
posted on 2006-04-25 23:27 Vincent.Chen 閱讀(446) 評(píng)論(0) 編輯 收藏 所屬分類: Database