Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

mysql È¡³öµ±Ç°¼Ç¼µÄÉÏÒ»Ìõ¼Ç¼ºÍÏÂÒ»Ìõ¼Ç¼

ÒÑÖªµ±Ç°¼Ç¼idΪ$id,È¡³öµ±Ç°¼Ç¼µÄÉÏÒ»Ìõ¼Ç¼ºÍÏÂÒ»Ìõ¼Ç¼µÄid,title×ֶΡ£±íÃûnews¡£
$sql = "SELECT CASE WHEN SIGN(id - $id) > 0 THEN MIN(id) WHEN SIGN(id - $id) < 0 THEN MAX(id) END AS id,title from news WHERE id <> $id GROUP BY SIGN(id - $id) ORDER BY SIGN(id - $id)";


Ïà¹ØÎĵµ£º

MysqlÊý¾ÝÀàÐÍ


ÊýÖµÀàÐÍ
¡¡¡¡MySQL
µÄÊýÖµÊý¾ÝÀàÐÍ¿ÉÒÔ´óÖ»®·ÖΪÁ½¸öÀà±ð£¬Ò»¸öÊÇÕûÊý£¬ÁíÒ»¸öÊǸ¡µãÊý»òСÊý¡£Ðí¶à²»Í¬µÄ×ÓÀàÐͶÔÕâЩÀà±ðÖеÄÿһ¸ö¶¼ÊÇ¿ÉÓõģ¬Ã¿¸ö×ÓÀàÐÍÖ§³Ö²»Í¬´óСµÄÊý¾Ý£¬²¢ÇÒ
MySQL ÔÊÐíÎÒÃÇÖ¸¶¨ÊýÖµ×Ö¶ÎÖеÄÖµÊÇ·ñÓÐÕý¸ºÖ®·Ö»òÕßÓÃÁãÌî²¹¡£
¡¡¡¡±íÁгöÁ˸÷ÖÖÊýÖµÀàÐÍÒÔ¼°ËüÃǵÄÔÊÐí·¶Î§ºÍÕ¼ÓõÄÄÚ´æ¿Õ¼ä¡ ......

sphinxÕûºÏµ½mysql(master/slave)ÖÐ

sphinx°æ±¾Ê¹ÓõÄÊÇcoreseekÐ޸ĵÄÖ§ ³ÖÖÐÎļìË÷µÄ°æ±¾,ÖÐÎÄ´Ê¿âʹÓà coreseek¿ª·¢µÄlibmmseg
mysqlÊÜsphinxÖÐsphinxseÒýÇæÒªÇó°²×°ÁËmysql-5.0.37×öÉú²ú»·¾³µÄmysql-5.0.70µÄ´Ó¿â
±àÒësphinx,libmmsegÒÔ¼°mysql:
±àÒë°²×°libmmseg:
./configure --prefix=/usr/local/mmseg && make -j5 && make instal ......

MYSQL ×Ö·û¼¯ÎÊÌâ

 
 
 
MySQLµÄ×Ö·û¼¯Ö§³Ö(Character Set Support)ÓÐÁ½¸ö·½Ã棺
     ×Ö·û¼¯(Character set)ºÍÅÅÐò·½Ê½(Collation)¡£
¶ÔÓÚ×Ö·û¼¯µÄÖ§³Öϸ»¯µ½Ëĸö²ã´Î:
     ·þÎñÆ÷(server)£¬Êý¾Ý¿â(database)£¬Êý¾Ý±í(table)ºÍÁ¬½Ó(connection)¡£
1.MySQLĬÈÏ×Ö·û¼¯
  ......

MySqlÊý¾Ý¿âÖÐÎÄÂÒÂë½â¾ö·½·¨


½â¾öÂÒÂë×îºÃµÄ·½·¨ÊÇÔÚÏîÄ¿Éè¼ÆÖ®³õ£¬Í³Ò»ËùÓеÄ×Ö·û¼¯£¬ÀýÈçÒ³Ãæ¡¢request¶ÔÏóÒÔ¼°Êý¾Ý¿âµÈµÈ¡£
Ò»¡¢
¼¸ÖÖ³£¼ûµÄÂÒÂëÏÖÏó£º
1¡¢Ò³ÃæÂÒÂë
   
µ¥´¿µÄÒ³ÃæÂÒÂëÊǺܺýâ¾öµÄ£¬Ö»ÒªÐÞ¸ÄÍ·²¿ÊʺϵÄ×Ö·û¼¯¼´¿É£¬Èç¹ûÒ³ÃæÖÐÎÄÏÔʾÂÒÂ룬Äã¿ÉÒÔ°Ñ×Ö·û¼¯ÐÞ¸ÄΪ£ºgb2312»ògbk¡£
2¡¢
Ò³ÃæÖ®¼ä´«µÝµÄ²Î ......

php³ÌÐò²åÊý¾ÝÈëmysql, ²åÈëʧ°ÜÎÊÌâ

×¢Òâ:ÒýÓÃ"·ÊÕ¼µÄ²©¿Í http://fatjames.extjs.org.cn/archives/40"
mysql5.x sql-mode ÒýÆðµÄ´íÎó
½ñÌì°²×°Á˸ömysql5.0,ÄÃÁËÒ»¸öºÜ¾ÃÖ®Ç°ÍøÉÏϵijÌÐò¼ì²éÒ»ÏÂÊÇ·ñ¹¤×÷Õý³£.
·¢ÏÖÒÔǰµÄ³ÌÐò¾ÓÈ»²»ÄÜÕý³£ÔËÐÐ,ÌáʾÐÅÏ¢ÈçÏÂ:
Database error: Invalid SQL: INSERT INTO
Survey_UserHistory(userId,jobId,type ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ