oracle dblinkСÎÊÌâ
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create public database link LINKA
connect to aaa identified by aaa123
using '(DESCRIPTION =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS =
(PROTOCOL = TCP)
(HOST = 100.223.21.2)
(PORT = 1341)
)
)
(CONNECT_DATA =
(SERVICE_NAME = bbb)
)';
aaaºÍaaa123ÊÇÎҵǽÊý¾Ý¿âbbbµÄÓû§ÃûºÍÃÜÂë
ÏÖÔÚµÄÎÊÌâÊÇdblink´´½¨ºÃÁË£¬ÔÚpl/sqlµÄDataLink linksÏÂÃæÒ²¿ÉÒÔ¿´µ½
²»¹ýµ±ÎÒµ÷ÓÃSelect * from aaa.test@LINKAµÄʱºòÏÔʾ´íÎó
ORA-12154 could not resolve the connect identifier specified
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tnsping¶¼ÄÜͨ°É¡£¡¢
ÁíÍâ global_name ÊÇfalse»¹ÊÇtrue?
µ¥¶Àͨ¹ýtnsµÇ½µÄ»°ÐÐÂð£¿
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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)
¡¡¡¡ )
¡¡¡¡ )';
¡¡¡¡host=Êý¾Ý¿âµÄipµØÖ·£¬service_name=Êý¾Ý¿âµÄssid¡£
LZµÄÅäÖÃÀïÓÐÁ½¸ö
(DESCRI
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±¾À´ÒªÐ´¸öupdateÓï¾ä
update table_a A
set A.flag=1
where A.id in (select B.id from table_b B)
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update table_a A
set A.flag=1
where ......
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