MySQL¶¯Ô±14000ÈËÇ©Ãû·´¶Ô¼×¹ÇÎÄSun½»Ò×
¾Ý¹úÍâýÌ屨µÀ£¬MySQLÊý¾Ý¿âµÄ¿ª·¢ÕßMichael WideniusÒÔ¼°²¿·ÖÏà¹ØÈËÊ¿½üÈÕÏòÅ·ÖÞ¡¢ÖйúÓë¶íÂÞ˹µÄ¼à¹Ü»ú¹¹Ìá½»Á˶Լ׹ÇÎÄ-Sun½»Ò׵ķ´¶ÔÒâ¼û£¬ÓдóÔ¼14000ÈËÔÚ¸ÃÒâ¼ûÉÏÇ©×Ö±íʾËûÃǶԴËÊÕ¹ºµÄ·´¶Ô¡£Å·ÃËίԱ»á´ËÇ°Ôø·´¶Ô¼×¹ÇÎÄÊÕ¹ºSun£¬µ«Õâһ¢¶ÏÉó²é»ú¹¹ÔÚ12ÔÂÓֳƣ¬¶Ô´Ë½»Ò×´ï³ÉÒ»¸öÂúÒâµÄ½á¹û±íʾÀÖ¹Û¡£Å·ÃËίԱ»á½«ÔÚ1ÔÂ27 ÈÕ×îÖÕ¾ö¶¨ÊÇ·ñ·ÅÐÐÕâÒ»½»Òס£
WindeniusÔÚÖÜÒ»Ïò¸÷¹ú¼à¹Ü»ú¹¹Ìá½»ÁËÕâ·Ý´øÓÐÇ©ÃûµÄÒâ¼û¡£ÔÚ¼×¹ÇÎĶÔÅ·Ã˱íʾÊÕ¹ºSun²»»áÓ°ÏìÕý³£¾ºÕùºó£¬ÕâÃû¿ª·¢Õß±ãÔÚÍøÕ¾·¢ÆðÁËÒ»Ïî·´¶Ô´Ë½»Ò׵Ļ¡£
·´Â¢¶ÏÂÉÊ¦Ôø±íʾ£¬ÈôÄÜ»ñµÃ´ó¹«Ë¾µÄÖ§³Ö£¬±ã»áÓ°ÏìÒ¡°Ú²»¶¨µÄ¼à¹Ü»ú¹¹×ö³ö¾ö¶¨¡£
MySQLÊÇÊý¾Ý¿âÊг¡µÄºó½øÈëÕߣ¬¸ÃÊг¡ÓÉIT¹«Ë¾¼×¹ÇÎÄ¡¢IBMÓë΢ÈíÕ¼Áì¡£MySQLµÄ½øÈëÀµÍÁËÊý¾Ý¿â²úÆ·µÄ¼Û¸ñ£¬Ò²¶¯Ò¡ÁËÕâЩ¾ÞÍ·¹«Ë¾µÄͳÖεØÎ»¡£
WideniusÊÇÓÐÃûµÄ¿ªÔ´Èí¼þ¿ª·¢Õߣ¬ËûÈ¥Äê´ÓSun¹«Ë¾´ÇÖ°£¬´´½¨ÁË×Ô¼ºµÄÊý¾Ý¿â¹«Ë¾Monty Program Ab¡£¶øSun¹«Ë¾ÔÚ2008Äê³â×Ê10ÒÚÃÀÔªÂòÏÂÁËMySQL¡£
WideniusÔÚÌá½»µÄÒâ¼ûÊéÖгƣ¬“Ç©ÃûÕß²»ÏàÐż׹ÇÎÄ»áÉÆ´ýMySQL¡£”Ëû±íʾ½«¼ÌÐø·´¶Ô¸Ã½»Ò×Ö±ÖÁ×îÖÕ½á¹û³ö¯¡£
Ç©Ãû»î¶¯µÄ·¢ÆðÈ˳ƣ¬Óг¬¹ý5000Ãû¸öÈË¿ª·¢ÕßÔÚ·´¶ÔÒâ¼ûÊéÉÏÇ©ÊðÁË×Ô¼ºµÄÃû×Ö£¬»¹ÓÐ3000¸öÇ©ÃûÀ´×ÔÄÇЩʹÓÃMySQLµÄ¹«Ë¾Óë»ú¹¹¹ÍÔ±¡£
ÕâЩǩÃûÔÚ·´¶Ô»î¶¯¿ªÊ¼µÄÒ»ÖÜÄÚÊÕ¼¯Íê³É£¬²¢±»Ìá½»ÖÁÅ·ÃËίԱ»á¡¢Å·ÖÞÒé»á¼°Å·ÃË27¸ö³ÉÔ±¹úµÄ¢¶ÏÉó²é»ú¹¹¡£»î¶¯·¢ÆðÕß»¹ÏòÖйúÉÌÎñ²¿Óë¶íÂÞ˹Áª°î·´Â¢¶Ï´¦Ìá½»ÁËÕâЩǩÃû¡£
24СʱҽÉúÔÚÏß×Éѯ
Ïà¹ØÎĵµ£º
MySQL 5.1 ÊÇ MySQL Êý¾Ý¿âĿǰ·¢²¼µÄ×îеÄÎȶ¨°æ±¾£¨5.5ÊÇbeta״̬£¬6.0ÊÇalpha״̬£©¡£
¸Ã°æ±¾Ôö¼ÓÁ˶ÔÏÂÃæ¼¸¸öƽ̨µÄÖ§³Ö£º
Mac OS X 10.6 x86/x64
HP-UX 11.31 IA64
SLES 11 x86/x64
InnoDB ²å¼þÉý¼¶µ½ 1.0.6 °æ±¾£¬ÁíÍâͨ¹ý¶Ô²éѯ»º´æµÄË鯬ÓÅ»¯ÌáÉýÁËÐÔÄÜ£¬¸ü¶àÏêϸµÄÄÚÈÝÇë¿´ÕâÀï¡£
ÏÂÔØµØÖ·£ºhttp://dev. ......
µØÖ·£º http://imysql.cn/taxonomy/term/1?page=1
[InnoDBϵÁÐ] -- innodb±íÈçºÎ¸ü¿ìµÃµ½count(*)½á¹û£ºhttp://imysql.cn/2008_06_24_speedup_innodb_count
[InnoDBϵÁÐϵÁÐ] -- ´óÊý¾ÝÁ¿µÄµ¼³öµ¼Èë·½·¨±È½Ï£º
http://imysql.cn/2007_10_15_large_innodb_table_export_import
[MySQLÓÅ»¯°¸Àý]ϵÁÐ -- DISABLE/ENABLE K ......
´úÂëÈçÏÂ:
//Á´½ÓʱÉ趨
mysql_real_connect( ..., CLIENT_MULTI_STATEMENTS );
//»òÕß
//ÖÐ;ָ¶¨
mysql_set_server_option( mysql, MYSQL_OPTION_MULTI_STATEMENTS_ON ); //mysqlÊÇÁ¬½ÓµÄÃû³Æ
µ±Ê¹ÓÃÖ´ÐжàÓï¾ä¹¦Äܺó£¬Ò»¶¨Òª¶ÁÍêÕû¸öresault¼¯£¬·ñÔò»á³öÏÖ´íÎó£ºCommands out of sync; you can't run this co ......
½ØÈ¡province×Ö·û´®ÖеÚÒ»¸ö<br>ǰµÄ×Ö·û´®¡«£¡
update lcjd
set `province` = substring_index( `province` , '<br>', '1' );
ÔÚÐèÒªÌí¼Ó‘0’µÄλÖÃÌí¼ÓÒ»¸ö‘0’
update lcjd
set lc_name2 = concat('0', lc_name2)
WHERE length(lc_name2) = 3
http://www.sqlstudy.com/s ......
MySQL5.X¶¼ÒѾ·¢²¼ºÃ¾ÃÁË£¬µ«ÊÇ»¹ÓкܶàÈËÈÏΪMySQLÊDz»Ö§³ÖÊÂÎñ´¦ÀíµÄ£¬Õâ²»µÃ²»¹ÖËûÃÇÊǹª¹ÑÎŵ쬯äʵ£¬Ö»ÒªÄãµÄMySQL°æ±¾
Ö§³ÖBDB»òInnoDB±íÀàÐÍ£¬ÄÇôÄãµÄMySQL¾Í¾ßÓÐÊÂÎñ´¦ÀíµÄÄÜÁ¦¡£ÕâÀïÃæ£¬ÓÖÒÔInnoDB±íÀàÐÍÓõÄ×î¶à£¬ËäÈ»ºóÀ´·¢ÉúÁËÖîÈçOracleÊÕ
¹ºInnoDBµÈÁîMySQL²»Ë¬µÄÊÂÇ飬µ«ÄÇЩÉÌÒµÉϵĶ·ÕùÓë¼¼ÊõÎÞ¹ ......