Using JDBC with MySQL, Getting Started
http://www.developer.com/java/data/article.php/3417381/Using-JDBC-with-MySQL-Getting-Started.htm#Preface
Preface
Purpose
The purpose of this lesson is to get you beyond the initial hurdles involved in:
Downloading and installing a MySQL database server.
Preparing that database for use with JDBC.
Writing and testing your first JDBC programs to administer the database and to manipulate the data stored in the MySQL database.
What is JDBC?
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JDBC technology is an API (included in both J2SE and J2EE) that provides cross-DBMS connectivity to a wide range of SQL databases and access to other tabular data sources, such as spreadsheets or flat files.
What is MySQL?
The MySQL database server is probably the world's most popular open source database software, with more than five million active installations as of September 2004.
The database server software from MySQL is available under a "dual licensing" model. Under this model, users may choose to use MySQL products under the free software/open source GNU General Public License (commonly known as the "GPL") or under a commercial license.
A powerful combination
Simply stated, JDBC makes it possible to write platform independent Java programs that can be used to manipulate the data in a wide range of SQL databases without the requirement to modify and/or recompile the Java programs when moving from platform to platform or from DBMS to DBMS.
MySQL is available for a wide variety of platforms.
Since both JDBC and MySQL are freely available for many purposes, the combination of JDBC and MySQL is a powerful combination that should be of interest for a wide variety of applications.
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所以除了给账户权限以外 还有修改 /etc/mysql/my.cnf
找到 bind-address = 127.0.0.1 修改为 bind-address = 0.0.0.0
重启mysql : sudo /etc/init.d/mysql restart
否则会报 ERROR 2003 (HY000): Can't connect to MySQL server on 'x.x.x.x' (111)
好吧 我是mysql菜鸟 以前都是走localhost的
......
一个简单示例--
1，准备：MySQL数据库驱动包【mysql-connector-java-5.1.10-bin.jar】导入
2，创建测试连接主程序
package mysqlConnection;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.Statement;
public class JdbcDemo {
public static void main(String[] args) {
......
<?php
/**
* 操作mysql
的基础类，其它与mysql有关的类都继承于此基类
*
* 此class中的$table都是已经包含表前缀的完整表名
*
* ver 20090717
* 使用范例
* $db = new DB('localhost','root','password','database','utf8');
* $db->debug = true;
* $db->primaryKeys = array (
* 'table_1 ......
mysql 5.0存储过程学习总结
一.创建存储过程
1.基本语法：
create procedure
sp_name()
begin
………
end
2.参数传递
二.调用存储过程
1.基本语法：call
sp_name()
注意：存储过程名称后面必须加括号，哪怕该存储过程没有参数传递
三.删除存储过程
1.基本语法：
drop procedure ......
//主键
alter table tabelname add new_field_id int(5) unsigned default 0 not null auto_increment ,add primary key (new_field_id);
//增加一个新列
alter table t2 add d timestamp;
alter table infos add ex tinyint not null default '0';
//删除列
alter table t2 drop column c;
//重命名列
......
