jspÁ¬½ÓMySQLÊý¾Ý¿â 2
¡ñjspÁ¬½ÓMySQLÊý¾Ý¿â
testmysql.jspÈçÏ£º
<%@ page contentType="text/html;charset=gb2312"%>
<%@ page import="java.sql.*"%>
<html>
<body>
<%Class.forName("org.gjt.mm.mysql.Driver").newInstance();
String url ="jdbc:mysql://localhost/softforum?
user=soft&password=soft1234&useUnicode=true&characterEncoding=8859_1"
//testDBΪÄãµÄÊý¾Ý¿âÃû
Connection conn= DriverManager.getConnection(url);
Statement stmt=conn.createStatement
(ResultSet.TYPE_SCROLL_SENSITIVE,ResultSet.CONCUR_UPDATABLE);
String sql="select * from test";
ResultSet rs=stmt.executeQuery(sql);
while(rs.next()) {%>
ÄúµÄµÚÒ»¸ö×Ö¶ÎÄÚÈÝΪ£º<%=rs.getString(1)%>
ÄúµÄµÚ¶þ¸ö×Ö¶ÎÄÚÈÝΪ£º<%=rs.getString(2)%>
<%}%>
<%out.print("Êý¾Ý¿â²Ù×÷³É¹¦£¬¹§Ï²Äã");%>
<%rs.close();
stmt.close();
conn.close();
%>
</body>
</html>
Ïà¹ØÎĵµ£º
²éѯ¼°É¾³ýÖØ¸´¼Ç¼µÄ·½·¨
(Ò»)
1¡¢²éÕÒ±íÖжàÓàµÄÖØ¸´¼Ç¼£¬Öظ´¼Ç¼ÊǸù¾Ýµ¥¸ö×ֶΣ¨peopleId£©À´ÅжÏ
select * from people
where peopleId in (select peopleId from people group by peopleId having count(peopleId) > 1)
2¡¢É¾³ý±íÖжàÓàµÄÖØ¸´¼Ç¼£¬Öظ´¼Ç¼ÊǸù¾Ýµ¥¸ö×ֶΣ¨peopleId£©À´Åжϣ¬Ö»Á ......
Mysql my.ini ÅäÖÃÎļþÏê½â
#BEGIN CONFIG INFO
#DESCR: 4GB RAM, ֻʹÓÃInnoDB, ACID, ÉÙÁ¿µÄÁ¬½Ó, ¶ÓÁиºÔØ´ó
#TYPE: SYSTEM
#END CONFIG INFO
#
# ´ËmysqlÅäÖÃÎļþÀý×ÓÕë¶Ô4GÄÚ´æ
# Ö÷ҪʹÓÃINNODB
#´¦Àí¸´ÔÓ¶ÓÁв¢ÇÒÁ¬½ÓÊýÁ¿½ÏÉÙµÄmysql·þÎñÆ÷
#
# ½«´ËÎļþ¸´ÖƵ½/etc/my.cnf ×÷Ϊȫ¾ÖÉèÖÃ,
# mysql-data-d ......
- -! Õæ²»ÈÝÒ×°¡£¬ÅªÁËÒ»Ì죬ÖÕÓڸ㶨ÁË£¡
ÔÚubuntu9.04ϰ²×°£¬Ê×ÏÈҪ׼±¸µÄ¶«Î÷ºÜ¶à£¬´ó²¿·ÖÊÇÓÃÀ´Ö§³ÖphpµÄ¿â£¬·Ï»°²»¶à˵£¬Ð´Õâ¸öÒ²ÊÇΪÁ˱ãÓÚÎÒÒÔºó²é¿´Ó㬼ÇÒä²»ÐУ¬¿È¡£¡£ÓÐÐèÒªµÄÅóÓÑÒ²¿ÉÒÔÀ´È¥Óá£
ÔÚubuntuÉϰ²×°£¬ÓÐÒ»¸öºÃ´¦¾ÍÊÇÓÐÐÂÁ¢µÃÕâ¸öÈí¼þ£¬Ê×ÏÈÏȰ²×°mysql£¬ ......
Ê×ÏÈ¿´MySQL 5.0²Î¿¼ÊÖ²áÖйØÓÚ´´½¨´æ´¢¹ý³ÌµÄÓ﷨˵Ã÷£º
CREATE
[DEFINER = { user | CURRENT_USER }]
PROCEDURE sp_name ([proc_parameter[,...]])
[characteristic ...] routine_body
proc_parameter:
[ IN | ......