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gem install mysql
ʹÓÃmysql£¬È磬rake db:migrate
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E:\study\ruby\rails_space>rake db:migrate
(in E:/study/ruby/rails_space)
!!! The bundled mysql.rb driver has been removed from Rails 2.2. Please install the mysql gem and try again: gem install mysql.
rake aborted!
193: ......

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package com.qll.operate;
import java.sql.*;
public class OperateUser {
 String driver = "com.mysql.jdbc.Driver";
 String url = "jdbc:mysql://localhost:3306/test";
 String name = "root";
 String password = "123456";
 static Connection conn = null;
 Statement st = ......

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