MySqlͨÓô洢·ÖÒ³
DELIMITER $$
DROP PROCEDURE IF EXISTS `hotel`.`prc_page_hotel_result`$$
CREATE DEFINER=`root`@`localhost` PROCEDURE `hotel`.`prc_page_hotel_result`(
in currpage int,
in columns varchar(500),
in tablename varchar(500),
in sCondition varchar(500),
in order_field varchar(100),
in asc_field int,
in Primary_field varchar(100),
in pagesize int
)
begin
declare sTemp varchar(1000);
declare sSql varchar(4000);
declare sOrder varchar(1000);
if asc_field = 1 then
set sOrder = concat(' order by ', order_field, ' desc ');
set sTemp = '<(select min';
else
set sOrder = concat(' order by ', order_field, ' asc ');
set sTemp = '>(select max';
end if;
if currpage = 1 then
if sCondition <> '' then
set sSql = concat('select ', columns, ' from ', tablename, ' where ');
set sSql = concat(sSql, sCondition, sOrder, ' limit ?');
else
set sSql = concat('select ', columns, ' from ', tablename, sOrder, ' limit ?');
end if;
else
if sCondition <> '' then
&nb
Ïà¹ØÎĵµ£º
MySQL+PHP²úÉúÂÒÂëÔÒò£º
¡¡¡¡¡ô MySQLÊý¾Ý¿âĬÈϵıàÂëÊÇutf8,Èç¹ûÕâÖÖ±àÂëÓëÄãµÄPHPÍøÒ³²»Ò»ÖÂ,¿ÉÄܾͻáÔì³ÉMySQLÂÒÂë;
¡¡¡¡¡ô MySQLÖд´½¨±íʱ»áÈÃÄãÑ¡ÔñÒ»ÖÖ±àÂë,Èç¹ûÕâÖÖ±àÂëÓëÄãµÄÍøÒ³±àÂë²»Ò»ÖÂ,Ò²¿ÉÄÜÔì³ÉMySQLÂÒÂë;
¡¡¡¡¡ô MySQL´´½¨±íʱÌí¼Ó×Ö¶ÎÊÇ¿ÉÒÔÑ¡Ôñ±àÂëµÄ,Èç¹ûÕâÖÖ±àÂëÓëÄãµÄÍøÒ³±àÂë²»Ò»ÖÂ,Ò²¿ÉÄÜÔì³É ......
innodb_buffer_pool_size
Èç¹ûÓÃInnodb£¬ÄÇôÕâÊÇÒ»¸öÖØÒª±äÁ¿¡£Ïà¶ÔÓÚMyISAMÀ´Ëµ£¬Innodb¶ÔÓÚbuffer size¸üÃô¸Ð¡£MySIAM¿ÉÄܶÔÓÚ´óÊý¾ÝÁ¿Ê¹ÓÃĬÈϵÄkey_buffer_sizeÒ²»¹ºÃ£¬µ«InnodbÔÚ´óÊý¾ÝÁ¿Ê±ÓÃĬÈÏÖµ¾Í¸Ð¾õÔÚÅÀÁË¡£ InnodbµÄ»º³å³Ø»á»º´æÊý¾ÝºÍË÷Òý£¬ËùÒÔ²»ÐèÒª¸øÏµÍ³µÄ»º´æÁô¿Õ¼ä£¬Èç¹ûÖ»ÓÃInnodb£¬¿ÉÒÔ°ÑÕâ¸öÖµÉèΪ ......
ÔÚ¶Ômysql½øÐе÷ÊÔµÄʱºò£¬ÓÉÓÚmysql´æÔÚquery»º´æ£¬³£³£²»ÄÜ·´Ó³ÕæÊµÇé¿ö¡£
ÓÐʱºò£¬ÓÐûÓÐʹÓÃFLUSH
QUERY
CACHEµÄȨÏÞ£»
ÔÚ query_cache_type ´ò¿ªµÄÇé¿öÏ£¬Èç¹ûÄã²»ÏëʹÓûº´æ£¬ÐèÒªÖ¸Ã÷
select sql_no_cache id,name from tableName;
»òÕß»¹Óиü¼òµ¥µÄ°ì·¨£¬ÐÞ¸ÄÒ»ÏÂsqlÀïij¸ö×Öĸµ ......
Author: Ivan@mysqlab.net/Ì·¿¡Çà ×ªÔØÇë×¢Ã÷À´Ô´URIÁ´½Ó:
http://www.mysqlab.net/blog/2009/04/mysql-54µÄÐÂÌØÐÔ½âÎö/
MySQL 5.4 Ö®ËùÒÔÃüÃûΪ5.4£¬¶ø²»ÊÇ5.2 ÊÇÒòΪ֮ǰµÄ5.2°æ±¾±»ÃüÃûΪ6.0ÁË£¨Õâ¸öÓ¦¸ÃÊÇÉÌÒµÉϵÄÔÒò£¬¾ÍÏñjava1.6±»ÃüÃûΪ6.0£©¡£ÏÖÔÚµÄ5.4 preview release ÊÇÔÚµ±Ç°MySQL5.1µÄ»ù´¡ÉÏ£¬¶Ô Innodb ½ø ......