.NETÁ¬½ÓMySqlÊý¾Ý¿âµÄ·½·¨¼°Ê¾Àý
·½·¨Ò»£º
ʹÓÃMySQLÍÆ³öµÄMySQL Connector/Net×é¼þ£¬ ¸Ã×é¼þÊÇMySQLΪADO.NET·ÃÎÊMySQLÊý¾Ý¿âÉè¼ÆµÄ.NETרÓ÷ÃÎÊ×é¼þ¡£Íê³É¸Ã×é¼þºó£¬ÐèÒªÔÚÏîÄ¿ÖÐÒýÓÃÕâ¸ö×é¼þ£¬Ò²¿ÉÒÔÖ±½ÓÔÚÅäÖÃÎļþµÄ<assemblies>½ÚµãÄÚÌí¼ÓÏÂÃæµÄ½Úµã£º
<add assembly="MySql.Data, Version=5.1.5.0, Culture=neutral, PublicKeyToken=C5687FC88969C44D"/>
Ö®ºóÔÚ³ÌÐòÖÐÒýÓÃÃüÃû¿Õ¼äMySql.Data.MySqlClient£¬¼´¿É¿ªÊ¼½øÐÐÁ¬½ÓMySQLÊý¾Ý¿âµÄ²Ù×÷ÁË£¬Ê¾ÀýÈçÏ£º
1protected void MySqlCon()
2{
3 //Êý¾Ý¿âÁ¬½Ó×Ö·û´®¸úÁ¬½ÓSQL SERVERûÓÐÇø±ð
4 string constr = "server=localhost;User Id=root;password=root;Database=test";
5
6 //ÏÂÃæÊ¹ÓÃMySql Connector/netÌṩµÄרÓöÔÏó
7 MySqlConnection mycon = new MySqlConnection(constr);
8 mycon.Open();
9 MySqlCommand mycmd = new MySqlCommand("select * from users", mycon);
10 MySqlDataReader myreader = mycmd.ExecuteReader();
11 while (myreader.Read())
12 {
13 if (myreader.HasRows)
14 {
15 Response.Write(myreader.GetString("email") + "<br/>");
16 }
17 }
18 myreader.Close();
19 mycon.Close();
20
21}
·½·¨¶þ£º
ʹÓÃODBC.NET¡£Ò»°ãÀ´Ëµ£¬ODBC.NETµÄDataProviderÊDZê×¼µÄ.NET¿ò¼Ü£¨1.1¼°ÒÔÉϵİ汾£©µÄÒ»²¿·Ö£¬ËùÒÔ»áºÍºóÕßÒ»Æð×Ô¶¯°²×°ºÃ¡£Ò
Ïà¹ØÎĵµ£º
mysql
> SHOW VARIABLES LIKE
'character_set_%';
+--------------------------+----------------------------+
| Variable_name | Value |
+--------------------------+----------------------------+
| character_set_client | latin1 |
| character_set_connection |
latin1 |
| character_set ......
¶ÔÓÚÿ¸öÀàÐÍÓµÓеÄÖµ·¶Î§ÒÔ¼°²¢ÇÒÖ¸¶¨ÈÕÆÚºÎʱ¼äÖµµÄÓÐЧ¸ñʽµÄÃèÊö¼û7.3.6 ÈÕÆÚºÍʱ¼äÀàÐÍ¡£
ÕâÀïÊÇÒ»¸öʹÓÃÈÕÆÚº¯ÊýµÄÀý×Ó¡£ÏÂÃæµÄ²éѯѡÔñÁËËùÓмǼ£¬Æädate_colµÄÖµÊÇÔÚ×îºó30ÌìÒÔÄÚ£º
mysql> SELECT something from table
WHERE TO_DAYS(NOW()) - TO_DAYS(date_col) select DAYOFWEEK('1998-02-03');
-&g ......
Ö÷´Ó·þÎñÆ÷±íÀàÐ͵ÄÑ¡Ôñ
Ò»°ãµÄ¹²Ê¶ÊÇÖ÷·þÎñÆ÷ʹÓÃinnodb£¬ÊÂÎñ£¬ÐÐËøµÈ¹¦ÄÜÊÇmyisamËùûÓе쬶ÔÐ޸IJÙ×÷¶øÑÔ£¬Ëü¸ü¸ßЧ£»´Ó·þÎñÆ÷ʹÓÃmyisam£¬È«ÎļìË÷¹¦ÄÜÊÇinnodbËùûÓеģ¬¶Ô²éѯ²Ù×÷¶øÑÔ£¬Ëü¸ü¸ßЧ¡£ÕâÑù¾Í¿ÉÒÔ¸÷¾¡ÆäÄÜ¡£
ºÇºÇ£¬Ö÷´Ó¿â¸÷˾ÆäÖ°£¬Ö÷¿â£º×î¿ìµÄËÙ¶È×öÌí¼Óɾ³ýÐ޸IJÙ×÷£¬´Ó¿â£¬×î¿ìµÄËÙ¶È×ö²éѯ²Ù×÷
......
ÎÒͬѧ½ÓÁ˸ö˽»î£¬ÏòÎÒÒªÁËmysqlµÄ°²×°Îļþ¡£×òÍíËûÎÊÎÒÓÐûÓöµ½mysqlµÄÂÒÂëÎÊÌ⣬ÎÒ¸øËûµÄ´ð°¸ÊǵÚÒ»´ÎÓõÄʱºòÓöµ½¹ý£¬ÅäºÃÁ˺ó£¬ÏÖÔÚ¶¼Ã»ÓÐÁË¡£Ëû˵ÔÚÍøÉÏÕÒÁ˺ܶàÎÄÕ£¬ÕÕןÄÁËËùÓÐÅäÖÃÎļþ¶¼Ã»½â¾ö¡£
ÏëÏëÒ²ÊÇ£¬µ±³õµÚÒ»´ÎÓõÄʱºòÒ²ÊÇÒ»Ñù£¬¸ÄÁËËù ......