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create public database link <DBLinkÃû³Æ> connect to <±»Á¬½Ó¿âµÄÓû§Ãû> identified by <±»Á¬½Ó¿âµÄÃÜÂë> using '<Oracle¿Í»§¶Ë¹¤¾ß½¨Á¢µÄÖ¸Ïò±»Á¬½Ó¿â·þÎñÃû>';  
create public database link XMDS_KF connect to XMDS identified by XMDS using 'XMDS_KF';  
create public database link XMDS_KF connect to XMDS identified by XMDS using 'XMDS_KF';
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ORA-12154: TNS: ÎÞ·¨´¦Àí·þÎñÃû
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create public database link XMDS_KF connect to XMDS identified by XNDS using '(DESCRIPTION =      (ADDRESS_LIST =        (ADDRESS = (PROTOCOL = TCP)(HOST = 145.24.16.182)(PORT = 1521))      )      (CONNECT_DATA =        (SERVICE_NAME = XMDS)      )    )';  
 
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     ÆäʵdblinkºÍÊý¾Ý¿âÖеÄview²î²»¶à£¬½¨dblinkµÄʱºòÐèÒªÖªµÀ´ý¶ÁÈ¡Êý¾Ý¿âµÄipµØÖ·£¬ssidÒÔ¼°Êý¾Ý¿âÓû§ÃûºÍÃÜÂë¡£
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     create public database
link fwq12 connect to fzept
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ʹÓÃtools--->export user objectÖ»Äܵ¼³öÊý¾Ý±í½Å±¾²»ÄÜ´ø³öÊý¾Ý,
»òÕßʹÓÃexp user/pwd file=/dir/xxx.dmp log=xxx.log full=y commit=y ignore=y
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D:\oracle\product\10.2.0\db_1\NETWORK\ADMIN\tnsnames.ora
# tnsnames.ora Network Configuration File: D:\oracle\product\10.2.0\db_1\network\admin\tnsnames.ora
# Generated by Oracle configuration tools.
SQLCLUB =
  (DESCRIPTION ......

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¡¡¡¡¡¡select username from dba_users;
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¡¡¡¡¡¡alter user spgroup identified by spgtest;
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¡¡¡¡¡¡select * from dba_data_files;
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ÿÌì1µãÖ´ÐеÄoracle JOBÑùÀý


DECLARE
X NUMBER;
BEGIN
SYS.DBMS_JOB.SUBMIT
( job => X
,what => 'syn_rpt_members_relation;'
,next_date => to_date('02-07-2008 01:00:00','dd/mm/yyyy hh24:mi:ss')
,interval => 'trunc(sysdate)+1+1/24'
,no_parse => FALSE
);
SYS.DBMS_OUTPUT.PUT_LINE('Job Number is: ' || to_cha ......
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