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

C#.NETÁ¬½Ómysql·½·¨


 mysql.data.dll¿½±´µ½binÏÂÃæ²¢ÒýÓÃÒ»ÏÂ
using MySql.Data.MySqlClient;
public partial class _Default : System.Web.UI.Page
{
protected void Page_Load(object sender, EventArgs e)
{
string myConnectionString = "Database=test;Data Source=localhost;User Id=root;Password=admin";
MySqlConnection mycn = new MySqlConnection(myConnectionString);

try
{
mycn.Open();
Response.Write("<mce:script type="text/javascript"><!--
alert('Á¬½Ó³É¹¦')
// --></mce:script>");
}
catch (Exception ex)
{
Response.Write("<mce:script type="text/javascript"><!--
alert(" ex.ToString() ")
// --></mce:script>");
}
}
}
Ò²¿ÉÒÔÅäÖÃapp.config (web.config):
<appSettings>
<add key="Con" value="Provider=MySQLProv;Data Source=test;User Id=root;Password=admin;pooling=false;CharSet=utf8;port=3306"/>
</appSettings>


Ïà¹ØÎĵµ£º

MYSQLÒýÇæ

×òÌìºÍͬѧÏÐÁÄʱ,̸µ½ÁËÊý¾Ý¿âµÄÒýÇæÊÇʲô,½ñÌìÔÚÍøÉÏËÑË÷Á˺ܾÃ,ҲûÓз¢ÏֱȽÏÈ«ÃæµÄ˵Ã÷¸÷¸öÊý¾Ý¿âµÄËÑË÷ÒýÇæ·½ÃæµÄ.
MySQLÒýÇæÊÇʲô,
MySQLÊÇÎÒÃDZȽϳ£ÓõÄÒ»ÖÖÊý¾Ý¿âÈí¼þ¡£ËüÓÐ×ÅÖî¶àµÄÓŵ㣬È翪ԴµÄ£¬Ãâ·ÑµÄµÈµÈ¡£ÆäʵËü»¹ÓÐÒ»¸öºÜºÃµÄÌØµã£¬ÄǾÍÊÇÓжàÖÖÒýÇæ¿ÉÒÔ¹©ÄãÑ¡Ôñ¡£Èç¹ûÈü³µÊÖÄܸù¾Ý²»Í¬µÄ·¿ö£¬µØÐÎ ......

mysqlÖ÷´ÓÊý¾Ý¸´ÖÆ

Ò»¡¢Îª´ÓÊý¾Ý¿âÉèÖø´ÖÆÕ˺Å
grant REPLICATION SLAVE on *.* To 'backup'@'%' identified by 'backuppwd'
flush privileges
 
¶þ¡¢µ¼³öÊý¾Ý
(1)Ö±½Ó¸´ÖÆÊý¾ÝÎļþĿ¼·½·¨
a. Í£Ö¹Êý¾Ý¿âдÊý¾Ý
flush tables with read lock
b.ÏÔʾ´ËʱmasterµÄ״̬
show master status
¼ÆÏ´ËʱÖ÷Êý¾Ý¿âµÄbinlogµ ......

mysqlº¯Êý

 ¡¶mysql Óë php »ù´¡½Ì³Ì¡·
1. Îı¾º¯Êý
º¯Êý
Ó÷¨
ÓÃ;
CONCAT()
CONCAT(x,y,...)
´´½¨ÐÎÈçxyµÄÐÂ×Ö·û´®
CONCAT_WS()
CONCAT_WS(separator,column1,column2,...)
·Ö¸ô·û½«²åÈëËùÁгöµÄÿ¸öÁÐÖ®¼ä
LENGTH()
LENGTH(column)
·µ»ØÁÐÖд洢µÄ×Ö·û´®µÄ³¤¶È
LEFT()
LEFT(colum,x)
´ÓÁеÄÖµÖзµ»Ø×î×ó±ßµÄx ......

php+mysqlÖеÄһЩÓï¾ä

mysql½¨Á¢Ò»¸ö±í¸ñ£º
create table hyhtbsc(
id int(4) primary key auto_increment,
username varchar(20),
password varchar(20)
);
²éѯÊý¾Ý¿âÄÚÈÝ£º
<?php
$conn = mysql_connect("localhost","root","pass");
mysql_select_db("mydb",$conn);
$sql = "select * from mytable";
$result = mysql_query($ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ