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

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 µÄ×Ö·û±àÂë

 === ÉÔºóÔÙÕûÀí
mysql
4.0µ½mysql
5.0µÄÊý¾Ýµ¼Èë³öÏÖÂÒÂëµÄ½â¾ö·½°¸
×ÖÌå´óС£º´ó
| ÖÐ
| С
2007-02-08 17:09 -
ÔĶÁ£º485 - ÆÀÂÛ
£º0
×î½ü×ömysql
4.0µ½mysql
5.0µÄÊý¾Ýת»¯¹¤×÷£¬·¢ÏÖÂÒÂë
ÎÞÊý£¬¹Û²©¿ÍÎÞÊýÐĵÃÈçÏ£º
£ªmysql
ÖÐÎÄ亂碼µÄÔ­Òò
mysql
會³ö現ÖÐÎÄ ......

mysqlÓÅ»¯£¨Ðø£©

     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 ......

MySQL ×Ö·û´®º¯Êý£º×Ö·û´®½ØÈ¡

 MySQL ×Ö·û´®½ØÈ¡º¯Êý£ºleft(), right(), substring(), substring_index()¡£»¹ÓÐ mid(), substr()¡£ÆäÖУ¬mid(), substr() µÈ¼ÛÓÚ substring() º¯Êý£¬substring() µÄ¹¦Äܷdz£Ç¿´óºÍÁé»î¡£
1. ×Ö·û´®½ØÈ¡£ºleft(str, length)
mysql> select left('sqlstudy.com', 3);
+-------------------------+
| left('sq ......

MySQL 5.4µÄÐÂÌØÐÔ½âÎö

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 ......

MySQL Êý¾Ý¿â InnoDBÒýÇæµÄ²åÖµÎÊÌâ

InnoDBÊÇmysqlÊý¾Ý¿âÖÐΨһһ¸öÖ§³ÖÍâ¼üµÄÒýÇæ£¬µ«ÊDzîÖµµÄʱºòÈ´µÃ×¢ÒâÒ»ÏÂ
±ÈÈçÓÐÁ½ÕÅ±í£¬album(id,name,path) £¬picture(id,name,path,parent_album)£¬ÆäÖбí2ÖÐparent_albumÊÇÍâ¼ü
´Ëʱ²îÖµinsert into picture (name,path,parent_album) values ("pic","path",68) (68ÊÇÒ»¸öÏà²áµÄid)
mysql»á±¨´í"Failed to read a ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ