c/sÈí¼þʹÓÃÈËÊý - .NET¼¼Êõ / C#
ÎÒÏëÎÊÏ£¬c/sÈí¼þʹÓÃÈËÊýÉϰٵĻ°¶Ô·þÎñÆ÷ÓÐʲôҪÇó£¿
»¹ÓÐSQL²éѯÔÚÎҵĵçÄÔÉÏÔËÐÐûÎÊÌ⣬µ«ÊÇÔÚ¿Í»§ÄDZßÏÔʾ²éѯ³¬Ê±£¬ÊDz»ÊÇ»úÆ÷ÅäÖõÄÔÒò£¿
Èç¹û¶àÈËͬʱ²éѯµÄ»°ÊDz»ÊǸüÈÝÒ׳öÏÖÕâÖÖ²éѯ³¬Ê±µÄÎÊÌ⣿
ÉÏ°ÙÈË
²»¶à°¢
ûÈËô£¿
ÊDz»ÊÇ£¬µ«ÊDz»ÖªµÀÓÐʲôҪעÒâµÄû£¿ÒÔǰû¸ã¹ý
ÉÏ°ÙÈË ²»¶àµÄ¡¡ÎÒÃÇÒÔÇ°¶¼ÊÇÉÏǧÈ˵ġ¡ÁíÍⳬʱҲÐíÊÇÍøÂçµÄÔÒò ¡¡Êý¾Ý¿âÊý¾Ý¶à£¬£Ó£Ñ£ÌÓï¾äÒ²ÓпÉÄܵġ¡select ¼ÓÉÏnolock°É
Õâ¸öÓ¦¸Ã²»ÖÁÓÚ²»¹»ÓÃ
¿Í»§ÄDZßʹÓõÄÊǼ¯ÍÅ·þÎñÆ÷£¬°´Àí˵Ӧ¸ÃÅäÖò»µÍ°É£¬½á¹ûÀÏÊdzöÏÖ²éѯ³¬Ê±
Òª¿´ÄãµÄ·þÎñÆ÷¶¼´¦ÀíЩʲô£¬ÔõôÓë¿Í»§¶ËͨÐÅÁË£»
Ö÷ÒªÊDZ¨±í²éѯ£¬ÓеãС¸´ÔÓ¾ÍÊÇÁË£¬µ«ÊÇÎÒÕâ±ß²éѯ²»³¬Ê±£¬ÎҵĵçÄÔÅäÖÃÒ²²»¸ß
6LÓÐÀí
ÕâºÍÓû§»úµÄÅäÖÿ϶¨ÓйØ!
°Ñ³¬Ê±Ê±¼äÉèÖó¤Ò»Ð©£¬¾ÍºÃÁË£¬È»ºóÊý¾ÝÁ¿ÒªÐ¡Ò»Ð©£¬ÕâÑùÓ¦¸Ã¾Í²»»á³¬Ê±ÁË£»
SQLµÄÎÊÌâ,¼Ó¸ö¼àÊÓ,¿´¿´ÊDz»ÊÇÓÐ×èÈû
¸úSQL¹Øϵ²»´ó£¬Êý¾ÝÁ¿Ì«´óµÄÔÒò£¬InternetºÍ¾ÖÓòÍø²î±ð»¹ÊǺܴóµÄ¡£
Äã¿´Ò»ÏÂQQÊÇC/s°É£¬Äã¿´Ò»ÏÂÈËÊýÓжàÉÙ£¿£¿
sql Êý¾Ý¿â³¬Ê±£¬ ¼ì²éÁ¬½Ó×Ö·û´®£¬Êý¾ÝÓû§Ãû ºÍÃÜÂë ÊÇ·ñÕýÈ·£¬Êý¾Ý¿âÃû³ÆÊÇ·
Ïà¹ØÎÊ´ð£º
ÇëÎÊVFPÖÐÈçºÎµ÷ÓÃC/C++º¯Êý£¿
ÄãÒªµ÷ÓÃʲô¹¦Äܵĺ¯Êý£¿Òª¿´¿´VFPÖÐÓÐûÓжÔÓ¦µÄº¯Êý£¬Èç¹ûÓоÍÊ¡×ÅÔÙµ÷ÓÃÁË¡£Èç¹ûûÓУ¬¿ÉÒÔ½«C/C++º¯Êýд¸öDLL»òFLL£¬È»ºóÔÚVFPµ÷Óü´¿É¡£
Ê®¶¹Èý ÀÏʦ£¬Ôõô²ÅÄÜÐÞ¸Ä×Ô¼ºµÄ ......
±¾ÈËÕýÔÚÓÃJava×öÒ»¸öC/S¼Ü¹¹µÄÏîÄ¿£¬
¿ÉÊÇÓÉÓÚÏîÄ¿±È½Ï´ó£¬Ç°ÆڶԼܹ¹µÄÉè¼ÆÓÈÆäÖØÒª£¬ÒòΪºóÆÚ¿ÉÄÜËæʱ»á¼Ó¸ö¹¦ÄÜ»òÕßÈ¥µôijЩ¹¦ÄÜ¡£
ËùÒÔÌصØÑ°ÇóÈçºÎÉè¼ÆC/SµÄ¼Ü¹¹Ê¹³ÌÐò¸ü¼ÓÃæÏò¶ÔÏó¸ü¼ÓÒ×ÓÚά ......
ÓÃlistviewÏÔʾ³ö´ÓÊý¾Ý¿âÖвéѯ³öµÄ¼Ç¼£¬ÏëÔÚ×îºó¼Ç¼ºóÃæÌí¼ÓÒ»ÌõºÏ¼ÆÐУ¬ÈçºÎʵÏÖ£¡Ð»Ð»´ó¼Ò£¡
°ó¶¨Êý¾ÝÄãÓ¦¸ÃûÎÊÌâ°É£¬°ó¶¨ÍêÒÔºóÓÃÒ»¸öÑ»·°ÑÄãҪͳ¼ÆÊý¾ÝµÄÁÐÖеÄÊý¾Ý×ܺÍÓÃÒ»¸ö±äÁ¿½ÓÊÜ£¬È»ºóÔÚÑ»·ÍâÃæne ......
ÈçÌâ:c ÓïÑÔÀ︡µãÏà³Ë ΪʲôСÊýȫΪ0ÁË
float x=8266.206055;
float y=7226.922363;
float z;
z=x*y;
z=59739228.000000;
ΪʲôµÃµ½µÄZ СÊýµãºóÃæȫΪ0ÁË
ºÇºÇ£¬³¬³ö¸¡µãÄܱíʾ·¶Î§ÁË¡£
Âé·³ÓÐÈËÖªµÀ ......
ÏÖÓÐparadoxÊý¾Ý¿âʹÓÃBDEÇý¶¯£¬Äâ¸ÄΪC/S°æ£¬Ôö¼ÓÍøÂç¶ÁÈ¡Êý¾Ý¹¦ÄÜ¡£ÇëÄÄλ´óÏÀ£¬ÌṩԴÂë¡£
˵¾ä²»¿ÍÆøµÄ»°£¬ÓÃparadox×öC/SÊÇ×ÔÑ°ËÀ·¡£
»»Ò»¸öÍøÂçÊý¾Ý¿â
ÒòΪ²»Ï붯´óÊÖÊõ£¬½öÄܹ²Ïí¼¸¸öÎļþ¼´¿É¡£
Da ......