oracle clientÁ¬½Ó
×î½üÒ»¶Îʱ¼äһֱûд²©¿Í£¬²»ÊÇÀÁ£¬ÊÇѧÁËÌ«¶à¶«Î÷¡£ÒÔºóÂýÂý²¹ÉÏ¡£ 1. odbcÖÐÌí¼ÓoracleÊý¾ÝÔ´ odbcÖÐÌí¼ÓoracleÊý¾ÝÔ´Ê×ÒªÌõ¼þ£º°²×°oracle client¡£°²×°ÍêÖ®ºóÌí¼Ó£¬µ«ÊÇ»¹±ØÐëÔÚ°²×°Ä¿Â¼ÏÂͨ³£ÊÇC:\oracle\ora90\network\ADMIN\tnsnames.oraÖÐÌí¼ÓÒ»¸öÁ¬½Ó£¬Èçϸñʽ£º DXS =
(DESCRIPTION =
(ADDRESS_LIST =
(ADDRESS = (PROTOCOL = TCP)(HOST = 9.83.70.13)(PORT = 1521))
)
(CONNECT_DATA =
(SERVICE_NAME = dealer)
)
) ÕâЩÐÅÏ¢¶¼ÊÇÒªÔÚoracle server¶Ë²é¿´¡£ 2. ͨ¹ýsqlplusÁ¬½Óoracle ͨ¹ýsqlplusÁ¬½Óoracle£¬ÏȱØÐëtnspingÄÜpingͨ£¬Èçͼ£º ֮ǰһֱping²»Í¨£¬·¢ÏÖ»¹ÒªÍ¨¹ýnet mangerÌí¼ÓÒ»¸ö·þÎñÒªÃû£¬»òÕßÔÚC:\oracle\product\10.2.0\client_1\NETWORK\ADMIN\tnsnames.oraÖÐÌí¼ÓÒ»¶ÎÁ¬½Ó×Ö·û´®£¬Í¨1Öеĸñʽ¼´¿É¡£ Ö®ºó±ã¿ÉÒÔÓ㺠1. sqlplus /nolog 2. conn user/pass@service name ½øÐÐÁ¬½ÓÁË¡£
Ïà¹ØÎĵµ£º
oracle ÖУ¬¶ÔÓÚÒ»¸öÌá½»µÄsqlÓï¾ä,´æÔÚÁ½ÖÖ¿ÉÑ¡µÄ½âÎö¹ý³Ì, Ò»ÖÖ½Ð×öÓ²½âÎö,Ò»ÖÖ½Ð×öÈí½âÎö.
Ò»¸öÓ²½âÎöÐèÒª¾½âÎö,ÖÆ¶¨Ö´Ðз¾¶,ÓÅ»¯·ÃÎʼƻ®µÈÐí¶àµÄ²½Öè.Ó²½âÊͲ»½ö½öºÄ·Ñ´óÁ¿µÄcpu£¬¸üÖØÒªµÄÊÇ»áÕ¼¾ÝÖØÒªµÄÃÇãÅ£¨latch£©×ÊÔ´£¬ÑÏÖØµÄÓ°ÏìϵͳµÄ¹æÄ£µÄÀ©´ó£¨¼´ÏÞÖÆÁËϵͳµÄ²¢·¢ÐУ©£¬ ¶øÇÒÒýÆðµÄÎÊÌâ ......
Ö÷ÒªÊÇÓÃÀ´´æ´¢´óÁ¿Êý¾ÝµÄÊý¾Ý¿â×ֶΣ¬×î´ó¿ÉÒÔ´æ´¢4G×ֽڵķǽṹ»¯Êý¾Ý¡£
Ö÷Òª½éÉÜ×Ö·ûÀàÐͺͶþ½øÖÆÎļþÀàÐÍLOBÊý¾ÝµÄ´æ´¢£¬µ¥¶À½éÉܶþ½øÖÆÀàÐÍLOBÊý¾ÝµÄ´æ´¢¡£
Ò»£¬OracleÖеÄLOBÊý¾ÝÀàÐÍ·ÖÀà
1£¬°´´æ´¢Êý¾ÝµÄÀàÐÍ·Ö£º
¢Ù×Ö·ûÀàÐÍ£º
CLOB:´æ´¢´óÁ¿ µ¥×Ö½Ú ×Ö·ûÊý¾Ý¡£
  ......
OracleϵÁУºÍ¼Æ¬µÄ´æ´¢
Ò»£ºÊ²Ã´ÊÇ´ó¶ÔÏ󣬴ó¶ÔÏó»ù±¾²Ù×÷£¿
²Î¼ûÎÒµÄBLOG£ºOracleϵÁУºLOB´ó¶ÔÏó´¦Àí
http://blog.csdn.net/qfs_v/archive/2008/05/21/2464599.aspx
¶þ£¬Í¼Æ¬µÄ´æ´¢»ò¶þ½øÖÆÎļþµÄ´æ´¢
1£¬ÏȲåÈëÆÕͨÊý¾Ý£¬Óöµ½´ó¶ÔÏóÁÐʹÓÃempty_blob()¹¹Ôì¿ÕµÄÖ¸Õë¡£
Àý× ......
OracleϵÁУº¼Ç¼£¨Record£©
Ò»£¬Ê²Ã´ÊǼǼ£¨Record£©£¿
Óɵ¥ÐжàÁеıêÁ¿¹¹³ÉµÄ¸´ºÏ½á¹¹¡£¿ÉÒÔ¿´×öÊÇÒ»ÖÖÓû§×Ô¶¨ÒåÊý¾ÝÀàÐÍ¡£×é³ÉÀàËÆÓÚ¶àάÊý×é¡£
½«Ò»¸ö»ò¶à¸ö±êÁ¿·â×°³ÉÒ»¸ö¶ÔÏó½øÐвÙ×÷¡£ÊÇÒ»ÖÖÁÙʱ¸´ºÏ¶ÔÏóÀàÐÍ¡£
¼Ç¼¿ÉÒÔÖ±½Ó¸³Öµ¡£RECORD1 :=RECORD2£»
¼Ç¼²»¿ÉÒÔÕûÌå±È½Ï. ......
1£¬Ê²Ã´ÊÇÓαꣿ
¢Ù´Ó±íÖмìË÷³ö½á¹û¼¯£¬´ÓÖÐÿ´ÎÖ¸ÏòÒ»Ìõ¼Ç¼½øÐн»»¥µÄ»úÖÆ¡£
¢Ú¹ØÏµÊý¾Ý¿âÖеIJÙ×÷ÊÇÔÚÍêÕûµÄÐм¯ºÏÉÏÖ´Ðеġ£
ÓÉ SELECT Óï¾ä·µ»ØµÄÐм¯ºÏ°üÀ¨Âú×ã¸ÃÓï¾äµÄ WHERE ×Ó¾äËùÁÐÌõ¼þµÄËùÓÐÐС£ÓɸÃÓï¾ä·µ»ØÍêÕûµÄÐм¯ºÏ½Ð×ö½á¹û¼¯¡£
&n ......