mysqlÖÐÀàÐÍΪintµÄÊý¾ÝÔõÑù×Ô¼Ó1£¿
±ÈÈ磺ÔÚͳ¼ÆÍøÕ¾µÄ·ÃÎÊÈËÊýʱ£¬Ã¿µ±ÓÐÒ»¸öÓû§·ÃÎÊʱ£¬¾ÍÐèÒª½«Êý¾ÝÖд洢·ÃÎÊÈËÊýµÄÊý¾Ý¼Ó1.Õâ¸öÔõôʵÏÖ£¿ µ±È»¿ÉÒÔÕâÑù×ö£º1.ÏȶÁÈ¡±íÖзÃÎÊÈËÊýµÄÊý¾Ý£¬È»ºó¼Ó1. 2.È»ºóÔÚÓÃupdateÓï¾ä¶ÔÊý¾Ý½øÐиüС£ µ«Ó¦¸Ã²»ÓÃÕâôÂé·³°É£¿ ²»ÖªµÀÓÐûÓкõķ½·¨£¿Ð»Ð»£¡
ûÓÐÌõ¼þ£¬ÓÃÕâÕУ¬Õâ¸ö±íÀïÖ»ÄÜÓÐÒ»Ìõ¼Ç¼£¬¶àÁ˿ɾÍÂé·³ÁË£¬Êǰѣ¿ Ö±½ÓÌæ»»²»ÐУ¿ÒýÓà update tabe1 set cnt=cnt+1; ¼ÆËã×ÜÈËÊý£¬Ò»°ã¶¼ÊÇÕâÑù۵ġ£ ºÇºÇ лл£¡°´ÕÕÄãµÄ·½·¨ÒѾ½â¾ö£¡ ÒýÓà ±ÈÈ磺ÔÚͳ¼ÆÍøÕ¾µÄ·ÃÎÊÈËÊýʱ£¬Ã¿µ±ÓÐÒ»¸öÓû§·ÃÎÊʱ£¬¾ÍÐèÒª½«Êý¾ÝÖд洢·ÃÎÊÈËÊýµÄÊý¾Ý¼Ó1.Õâ¸öÔõôʵÏÖ£¿ µ±È»¿ÉÒÔÕâÑù×ö£º1.ÏȶÁÈ¡±íÖзÃÎÊÈËÊýµÄÊý¾Ý£¬È»ºó¼Ó1. 2.È»ºóÔÚÓÃupdateÓï¾ä¶ÔÊý¾Ý½øÐиüС£ µ«Ó¦¸Ã²»ÓÃÕâôÂé·³°É£¿ ²»ÖªµÀÓÐûÓкõķ½·¨£¿Ð»Ð»£¡
Ïà¹ØÎÊ´ð£º
±àÒëÆ÷£ºC-Free4 mysql µ¥¶À°²×°µÄ£¬ÏÖÔÚΪapache+php+mysql¿ÉÒÔʹÓᣠ×î½üÔÚÁ·Ï°c£¬c++£»ÏëÓÃc£¬c++Á¬½ÓÏÂÎÒµÄmysql£¬ºÃ¶àµØ·½¶à˵mysql.hÕÒ²»µ½¡£¶øÇÒÎÒmysqlûÓÐËùνµÄincludeÎļþ¼Ð°¡¡£ Íü¸ßÊÖÖ¸µãÒ»¶ ......
ÎÒµÄMysql ʹÓõÄʱºò ÓÃdos½¨Á¢µÄÊý¾Ý±í ÔÚdosÖÐÄÜÏÔʾ³öÖÐÎÄ µ«ÊÇÔÚ ÆäËûµÄ¿ÉÊÓÒ³Ãæ ºÍÍøÒ³Öж¼ÏÔʾÂÒÂë ÈçºÎ½â¾ö£¿ ÔÚmysql¿ØÖÆÌ¨:show variables like 'char%';Ìù½á¹û³öÀ´¿´¿´¡£ mysqlÃüÁîÐÐģʽÏÂ: ......
ÎÒµÄmysqlÔõôûÓа취дÈëÖÐÎÄÊý¾Ý£¿Ö»ÒªÊÇÊý¾ÝдÈëÊý¾Ý¿âʱ ¾Í»á±ä³ÉÈý¸öÎʺŠ£¿Çë½Ì¸ßÈË£¡£¡ linux? ÔõôдÈëµÄ ÔÚmysqlÖÐÖ´ÐÐ show variables like 'character%'Ìù½á¹û³öÀ´¡£ ÔÚ°²×°MYSLQʱ½«Êý¾Ý¿âµÄ×Ö· ......
Ҫת³ÉÒ»ÑùµÄЧ¹û£¬ÓÃpowerdesignerÔõôת£¿ÄÜתÂ𣿠create table publishers ( publisherID int identity, publisherName varchar (30) NOT NULL, constraint pk_publishers primary key (publisherID) )& ......
ÎÒÓõÄÊÇÁ¬½Ó³Ø×öµÄ£¬ÅäÁ¬½Ó³ØµÄ·½·¨Ó¦¸ÃûÓÐ´í£¬ÎªÊ²¾ÍÊdzöÏÖÕâÖÖÎÊÌâ javax.servlet.ServletException: javax.naming.NameNotFoundException: No object bound to name java:comp/env/test ÇëÎÊ´óÏÀÃÇÕâÊÇÔ ......