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

C#Á¬½ÓMySQL½øÐвÙ×÷µÄ·½·¨

ÓÉÓÚÐèҪʵÏÖÒÔϹ¦ÄÜ£º
Íø¹ØÍ¨¹ý´®¿Ú·¢ËÍÊý¾Ý¸øPC»ú£¬PC»úÊÕ¼¯Êý¾Ý²¢½âÎö±£´æµ½MySQLÖУ¬È»ºóJSPÒ³Ãæ¶ÁÈ¡MySQLÖеÄÊý¾Ý²¢ÏÔʾ¡£
ËùÒÔÀûÓÃC#Á¬½ÓMySQLÊý¾Ý³ÉΪÁ˱ØÐëÒª¾­¹ýµÄ¹ý³Ì£¬Ôڴ˸øÓèÏêϸµÄ˵Ã÷¡£
1¡¢ÏÂÔØÐèÒªµÄÎļþMySQLDriverCS£¬ÏÂÔØµØÖ·Îª£ºhttp://sourceforge.net/projects/mysqldrivercs
2¡¢°²×°Îļþ£ºMySQLDriverCS-n-EasyQueryTools-4.0.1-DotNet2.0.exe£¬ÔÚ°²×°¹ý³ÌÖÐÒ²Ðí»áÌáʾһ¸ö´íÎ󣬽ûֹдһ¸ödllÎļþ£¬ÄãÖ±½ÓºöÂԾͿÉÒÔÁË¡£
3¡¢½«°²×°ÎļþϵÄMySQLDriver.dllÎļþÌí¼Óµ½C#ÏîÄ¿µÄÒýÓÃÖС£
4¡¢È»ºóд¹«¹²´¦ÀíÀàÈçÏ£º
(1) Ê×ÏȵÃÒýÓÃÃüÃû¿Õ¼ä£º
using MySQLDriverCS;
using System.Data;
using System.Data.Odbc;
(2) д¹«¹²´¦ÀíÀà
public class SQLHelper
{
MySQLConnection conn = null;
MySQLCommand commn = null;

public MySQLConnection GetConnect()
{
conn = new MySQLConnection(new MySQLConnectionString("localhost", "wwater", "root", "123").AsString);
return conn;
}
public int RunMySQL(string sql)
{
int count = 0;
try
{
conn = GetConnect();
conn.Open();
commn = new MySQLCommand(sql, conn);
count = commn.ExecuteNonQuery();
return count;
}
catch (Exception ex)
{
throw;
}
finally
{
conn.Close();
}
}
}
(3) ÔÚʵ¼Ê¹ý³ÌÖнøÐÐÒýÓÃRunMySQL·½·¨¼´¿É²åÈëÊý¾ÝÁË¡£  


Ïà¹ØÎĵµ£º

DelphiÓëC#Ö®¸¸£º¼¼ÊõÀíÏë¼Ü¹¹¿ª·¢´«Ææ

    Anders Hejlsberg(°²µÂ˹-º£É­²©¸ñ) ×øÔÚ×Ô¼ºµÄ°ì¹«ÊÒ£¬Ë«ÑÛÖ±Ö±µÄ¶¢×Åǰ·½¡£ËûÒª×öÒ»¸ö¾ö¶¨£¬¾ö¶¨×Ô¼ºÎ´À´µÄÃüÔ˺ÍÀíÏë¡£ÕâÊÇ1996ÄêÒ»¸öÆÕͨµÄÏÂÎ磬¼¸¸öСʱǰ£¬Ëû¸ÕÓë±È¶û-¸Ç´Ä½áÊøÁËÒ»´ÎÓä¿ìµÄÎç²Í£¬Í¬ÎªÈí¼þ½çµÄ¾«Ó¢£¬ËûÃÇÏà̸Éõ»¶£¬¸Ç´Ä¸øËû¿ª³öÈý°ÙÍòÒÔÉϵÄÄêнºÍÊýÍò¹ÉµÄ΢Èí¹ÉƱ¡£ÕâÊÇÒ»¸öÓÕÈË ......

mysqlÊý¾Ý¿â·¶Ê½Ïê½â

ÔÚÉè¼Æ¹ØÏµÊý¾Ý¿âʱÊÇÒª×ñÊØÒ»¶¨µÄ¹æÔòµÄ¡£ÓÈÆäÊÇÊý¾Ý¿âÉè¼Æ·¶Ê½ÏÖ¼òµ¥½éÉÜ1NF£¨µÚÒ»·¶Ê½£©£¬2NF£¨µÚ¶þ·¶Ê½£©£¬3NF£¨µÚÈý·¶Ê½£©ºÍBCNF£¬ÁíÓеÚËÄ·¶Ê½ºÍµÚÎ巶ʽÁôµ½ÒÔºóÔÙ½éÉÜ¡£ÔÚÄãÉè¼ÆÊý¾Ý¿â֮ʱ£¬ÈôÄÜ·ûºÏÕ⼸¸ö·¶Ê½£¬Äã¾ÍÊÇÊý¾Ý¿âÉè¼ÆµÄ¸ßÊÖ¡£
µÚÒ»·¶Ê½£¨1NF£©£ºÔÚ¹ØÏµÄ£Ê½RÖеÄÿһ¸ö¾ßÌå¹ØÏµrÖУ¬Èç¹ûÿ¸öÊôÐÔÖµ¶¼Ê ......

Windows Ï mysql ±¸·Ý»Ö¸´ÃüÁî


¼ÙÉèmysql °²×°ÔÚc:ÅÌ£¬mysqlÊý¾Ý¿âµÄÓû§ÃûÊÇroot£¬ÃÜÂëÊÇ123456£¬Êý¾Ý¿âÃûÊÇtestdb£¬ÔÚd:Å̸ùĿ¼ÏÂÃæ´æ·Å±¸·ÝÊý¾Ý¿â£¬±¸·ÝÊý¾Ý¿âÃû×ÖΪbackup20070713.sql(20070713.sqlΪ±¸·ÝÈÕÆÚ)
±¸·ÝÊý¾Ý¿â£º
mysqldump -uroot -p123456 testdb>d:/backup20070713.sql
»Ö¸´Êý¾Ý¿â£º
ɾ³ýÔ­ÓÐÊý¾Ý¿â£¬½¨Á¢Êý¾Ý¿â£¬°Ñ±¸·ÝÊý¾Ý ......

Mysql limitÓ÷¨

1.SELECT
 
*
 
from
 
table
 LIMIT
1
,
20
;  
//
 ¼ìË÷¼Ç¼ÐÐ
2-21
   µÚÒ»¸ö²ÎÊý£º²éѯÆðʼÐУ¨´Ó0¿ªÊ¼£©
   µÚ¶þ¸ö²ÎÊý£º²éѯ¼¸Ìõ¼Ç¼
2.
SELECT
 
*
 
from
 
table
 LIMIT
5
,
-
1

//
&nbs ......

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«Ô ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ