c# Á¬½ÓMySqlÊý¾Ý¿âµÄÁ½ÖÖ·½·¨
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http://sourceforge.net/projects/mysqldrivercs/
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MySQLDriver.dll
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MySQLDriver.dll
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MySQLDriverCS-n-EasyQueryTools-4.0.1-DotNet2.0.exe
using
System;
using
System.Collections.Generic;
using
System.ComponentModel;
using
System.Data;
using
System.Data.Odbc;
using
System.Drawing;
using
System.Linq;
using
System.Text;
using
System.Windows.Forms;
using
MySQLDriverCS;
namespace
mysql
{
public
partial
class
Form1
: Form
{
public
Form1()
{
InitializeComponent();
}
private
void
Form1_Load(object
sender, EventArgs
e)
{
MySQLConnection
conn = null
;
conn = new
MySQLConnection
(new
MySQLConnectionString
("localhost"
, "inv"
, "root"
, "831025"
).AsString);
conn.Open();
MySQLCommand
commn = new
MySQLCommand
("set names gb2312"
, conn);
commn.ExecuteNonQuery();
string
sql = "select * from exchange "
;
MySQLDataAdapter
mda =
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1.´«ÈëOracleDateTime.NULL
2.Nullable<DateTime> optime = DBNull.Value; ´«Èëoptime(¿ªÊ¼ÍøÉÏÕҵĴð°¸ÊÇNullable<DateTime> optime = null·¢ÏÖ»¹Êǻᱨ´í) ......
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<?xml version="1.0" encoding="gb2312"?>
<bookstore>
<book genre="fantasy" ISBN="2-3631-4">
<title>Oberon's Legacy</title>
<author>Corets, Eva</author>
<price>5.95</price> ......
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Red Hat Linux ϰ²×°mysql°æ±¾³åÍ»ÎÊÌâ½â¾ö
¸ÕÅöµ½Ò»¸öÎÊÌ⣬ÓÉÓÚÔÚʹÓõÄlinux·þÎñÆ÷ÉÏÒѾ°²×°ÁËÒ»¸ö½ÏµÍ°æ±¾µÄMySql server£¬Ê¹ÓÃrpm°ü½øÐа²×°Ê±£¬Ìáʾ°æ±¾³åÍ»£¬°²×°²»ÄܼÌÐø½øÐС£
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[b]1¡¢ÏȰÑϵͳÀï°²×°µÄËùÓÐmysqlÕÒ³öÀ´[/b]
#rpm -qa | grep -i mysql ÔËÐдËÃüÁîº ......
Ò».×Ö·û´®Àà
CHARSET(str) //·µ»Ø×Ö´®×Ö·û¼¯
CONCAT (string2 [,... ]) //Á¬½Ó×Ö´®
INSTR (string ,substring ) //·µ»ØsubstringÊ×´ÎÔÚstringÖгöÏÖµÄλÖÃ,²»´æÔÚ·µ»Ø0
LCASE (string2 ) //ת»»³ÉСд
LEFT (string2 ,length ) //´Óstring2ÖеÄ×ó±ßÆðÈ¡length¸ö×Ö·û
LENGTH (string ) //string³¤¶È
LO ......