tomcat6+mysqlÁ¬½Ó³ØµÄ¼òµ¥ÊµÏÖ(Ç××ÔÊÔÑéͨ¹ý)
ÔÚÍøÉÏÕÒÁ˺ܾã¬ÎÄÕ¶¼ÊÇÄ㳡¢ÎÒ³Äã¡£¿´À´¿´È¥¶¼Ò»ÑùµÄ£¬googleÍùºó·NÒ³ ½øÈ¥Ò»¿´¶¼ÊÇÒ»ÑùµÄ¡£ÓôÃÆÖÁ¼«¡£ ÓÚÉÏÊÇCSDNÂÛ̳ÇóÖú£¬»¹ÊÇjava\web̳×ÓÀïµÄÅóÓÑÈÈÇéЩ£¬ÖÕÓÚËãÊǸãºÃÁË£¬×Ô¼ºÔÙÊÔÁËÏ£¬°ÑÐĵ÷¢³öÀ´´ó¼ÒÖ¸µãÖ¸µã¡£ 1¡¢mysql-connector-java-5.0.8-bin.jarÎļþ£¬Ò²¾ÍÊÇmysqlÇý¶¯°ü¡£×¢Ò⣺Ҫ·Åµ½tomcat6/libĿ¼Ï¡£·Åµ½web-inf/libϲ»ÐУ¬²»ÖªµÀΪʲô£¬ÎÒ»áÔÙÊÔÊÔ¡£ 2¡¢ÐÞ¸Ätomcat6/conf/context.xmlÎļþ£¬ÒÔ<context>±êǩ֮¼ä¼ÓÉÏ 1: <Resource name="jdbc/mysql"
2: auth="Container"
3: type="javax.sql.DataSource"
4: driverClassName="com.mysql.jdbc.Driver"
5: url="jdbc:mysql://localhost:3306/test"
6: username="root"
7: password="root"
8: maxActive="100"
9: maxIdle="30"
10: maxWait="5000" />
Òâ˼Ӧ¸ÃÒ»¿´¾ÍÄÜÃ÷°×£¬¾Í²»½âÊÍÁË¡£
3¡¢²âÊÔÒ³Ãæ
1: <!doctype html public "-//w3c//dtd html 4.0 transtional//en"
2: "help://www.w3.org/TR/REC-html40/strict.dtd">
3: <%@ page import="java.sql.*,javax.sql.*,javax.naming.*" session="false" %>
4: <html>
5: <head>
6: <meta http-equive="Content-Type" content="text/html"; charset="gbk">
7: <title></title>
8: <body>
9:
10: <%
11: out.println("¿ªÊ¼²âÊÔ!");
12: DataSource ds;
13: InitialContext ctx;
14: try{
15: ctx=new InitialContext();
16: ds=(DataSource)ctx.lookup("java:comp/env/jdbc/mysql");
17: Connection con=ds.getConnection();
18: Statement stmt=con.createStatement();
19: String sql="select * from person";
20: ResultSet rs=stmt.executeQuery(sql);
21: while(rs.next()){
22: out.println(rs.getString(2));
23: }
24: out.println("²âÊԳɹ¦£¡");
25: }
26: catch(Exception e){
27: out.println(e.toString());
28: }
29:
30: %>
31: </body>
32:
Ïà¹ØÎĵµ£º
ÏîÄ¿´ÓmysqlÇ¨ÒÆµ½ORACLEÖÐÓöµ½ÒÆÖ²ÎÊÌ⣬mysqlÖÐÖ§³Ölimit ¶øORACLE say no .
½â¾ö·½·¨ ÀûÓÃORACLEµÄαÁÐ rownumÀ´¿ØÖÆ¡£¡£
Mysql : select * from table limit 10
equl
ORACLE£º select * from table where rownum <= 10
ORACLE αÁнéÉÜ£º
ËæÊý¾Ý×ÖµäÒ»Æð×Ô¶¯´´½¨µÄÒ»¸ö±í,ÊôÓÚsysģʽ,ÈκÎÓû§¶¼¿ÉÒÔ·ÃÎÊ,&nbs ......
1¡¢MySQL³£ÓÃÃüÁî
create database name; ´´½¨Êý¾Ý¿â
use databasename; Ñ¡ÔñÊý¾Ý¿â
drop database name Ö±½Óɾ³ýÊý¾Ý¿â£¬²»ÌáÐÑ
show tables; ÏÔʾ±í
describe tablename; ±íµÄÏêϸÃèÊö
select ÖмÓÉÏdistinctÈ¥³ýÖØ¸´×Ö¶Î
mysqladmin drop databasename ɾ³ýÊý¾Ý¿âǰ£¬ÓÐÌáʾ¡£
ÏÔʾµ±Ç°mysql°æ±¾ºÍµ±Ç°È ......
MySQL client programs:
mysql
The command-line tool for interactively entering SQL statements or executing them from a file in batch mode. See Section 4.5.1, “mysql — The MySQL Command-Line Tool”.
mysqladmin
A client that performs administrative operations, such as crea ......
ÎÊÌâ½â¾öÁË£¬ÔÒòÊÇÔÚmy.cnfÖÐȱÉÙÁËÈçÏ´úÂ룺
[client]
default-character-set=utf8
[mysqld]
default-character-set=utf8
Èç¹û²»¼ÓÒÔÉÏ´úÂ룬ÄÇô¼´±ãMYSQL±àÒ밲װʱָ¶¨µÄ±àÂëÊÇUTF8£¬ÄÇôÔÚ½¨¿âʱÆäĬÈϱàÂëÈÔÊÇLATIN1£¬¶øÓÉÓÚ×Ö·û¼¯µÄ¼Ì³ÐÐÔ£¬¿âÖеıíÒ²ÊÇLATIN1µÄÁË¡£
ÕâÀïÁм¸ÌõÃüÁ´ó¼Ò¿ÉÒÔ×Ô¼ºÊÔÏ ......