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ORA-12541: TNS:
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$ lsnrctl start
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C:\lsnrctl start
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ORA-12500: TNS:
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¶ÔÓÚWindows¶øÑÔ£¬Ã»ÓÐÆô¶¯OracleʵÀý·þÎñ¡£Æô¶¯ÊµÀý·þÎñ£º
C:\oradim –startup -sid myoracle
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ORA-12535: TNS:
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ORA-12154: TNS:
ÎÞ·¨´¦Àí·þÎñÃû
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\tnsnames.ora£¬Linux/UnixÏÂ$ORACLE_HOME/network/admin/tnsnames.ora)ÀïÿÏî·þÎñµÄÊ×
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ORA-12514: TNS:
¼àÌý½ø³Ì²»ÄܽâÎöÔÚÁ¬½ÓÃèÊö·ûÖиø³öµÄ SERVICE_NAME
´ò¿ªNet Manager£¬Ñ¡ÖзþÎñÃû³Æ£¬¼ì²é·þÎñ±êʶÀ¸ÀïµÄ·þÎñÃûÊäÈëÊÇ·ñÕýÈ·¡£¸Ã·þÎñÃû±ØÐëÓë·þÎñÆ÷¶Ë¼àÌýÆ÷ÅäÖõÄÈ«¾ÖÊý¾Ý¿âÃûÒ»Ö¡£
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ControlSet/Services/OracleOraHome92TNSListenerÏ²é¿´ImagePath×Ö·û´®ÏîÊÇ·ñ´æÔÚ£¬Èç¹ûû
ÓУ¬É趨ֵΪD:\oracle\ora92\BIN\TNSLSNR£¬²»Í¬µÄ°²×°Â·¾¶É趨ֵ×öÏàÓ¦µÄ¸ü¸Ä¡£ÕâÖÖ·½·¨Í¬ÑùÊÊÓÃÓÚOracleʵÀý·þÎñ£¬Í¬
ÉÏ£¬ÕÒµ½ÈçͬHKEY_LOCAL_MACHINE/SYSTEM/Current ControlSet/Services/Oracle
ServiceMYORACLEÏ²é¿´ImagePath×Ö·û´®ÏîÊÇ·ñ´æÔÚ£¬Èç¹ûûÓУ¬Ôòн¨£¬É趨ֵΪd:\oracle\ora92
\binORACLE.EXE MYORACLE¡£
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Oracle·ÖÒ³´æ´¢¹ý³Ì¼°javaµÄ¾ßÌåµ÷Ó÷½·¨

--°ü
create or replace package pkg_query as
  type cur_query is ref cursor;
end pkg_query;
--¹ý³Ì
CREATE OR REPLACE  PROCEDURE "PRC_QUERY" (p_tableName  
        in  varchar2,   --±íÃû
      & ......

Oracle ÓÅ»¯ÅäÖà ÊÕ²Ø

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Oracle objectѧϰ±Ê¼Ç 1

 1 ¾Û¼¯(cluster)
1.1 ¸ÅÄ
ÓÃÓÚ½«²»Í¬±íÖеÄÊý¾Ý´æ´¢µ½ÏàͬµÄÎïÀíÊý¾Ý¿éÖУ¬ÓÃÓÚ¶à±íÊý¾ÝÐèҪƵ·±½øÐÐÁªºÏ²éѯµÄÇé¿öÏ¡£¶à±íÊý¾Ý´æ´¢ÔÚÏàͬÊý¾Ý¿éºó£¬ÔÚ¶Ô¶Ô±í½øÐÐÁªºÏ²éѯʱ£¬ËùÐè¶ÁÈ¡µÄÎïÀí¿éÊý¼õÉÙ£¬´Ó¶øÌá¸ß²éѯÐÔÄÜ¡£
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Oracle start with ... connect by prior Ó÷¨

 Óï·¨£º
select *
from ±íÃû
where Ìõ¼þ1
start with Ìõ¼þ2
connect by prior µ±Ç°±í×Ö¶Î=¼¶Áª±í×Ö¶Î
start withÓëconnect by priorÓï¾äÍê³ÉµÝ¹é¼Ç¼£¬ÐγÉÒ»¿ÃÊ÷Ðνṹ£¬Í¨³£¿ÉÒÔÔÚ¾ßÓвã´Î½á¹¹µÄ±íÖÐʹÓá£
start with±íʾ¿ªÊ¼µÄ¼Ç¼
connect by prior Ö¸¶¨Ó뵱ǰ¼Ç¼¹ØÁªÊ±µÄ×ֶιØÏµ
´úÂ룺
--´´½¨²¿Ãű ......

ORACLEѧϰÖгöÏÖµÄÎÊÌ⣨³ÖÐø¸üÐÂÖУ©

ORACLEѧϰÖгöÏÖµÄÎÊÌ⣨³ÖÐø¸üÐÂÖУ©
1¡¢ ORA:12545 ÒòÄ¿±êÖ÷»ú»ò¶ÔÏó²»´æÔÚ£¬Á¬½Óʧ°Ü
   
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1.ËÑË÷ÄãµÄoracle°²×°Ä¿Â¼£¬ÕÒµ½ÕâÁ©¸öÎļþ tnsnames.ora ºÍ listener.ora ¼Çס¾Í¸ÄÕâÁ©¸öÎļþ¾ÍÐÐÁË£¬»¹ÓÐÒ»¸ö´óдµÄTNSNAMES.ORA²»ÓùÜËü¡£ËûÃǵÄ·¾¶ÈçÏ£ºÈç E:\oracle\ora92\n ......
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