Oracle Finalizes Acquisition of Sun
We are pleased to announce that Oracle has completed its acquisition of Sun Microsystems and Sun is now a wholly owned subsidiary of Oracle. With this news, we want to reiterate our commitment to deliver complete, open and integrated systems that help our customers improve the performance, reliability and security of their IT infrastructure. We would also like to thank the many customers that have supported us throughout the acquisition process.
There is no doubt that this combination transforms the IT industry. With the addition of servers, storage, SPARC processors, the Solaris operating system, Java, and the MySQL database to Oracle s portfolio of database, middleware, and business and industry applications, we plan to engineer and deliver open and integrated systems - from applications to disk - where all the pieces fit and work together out of the box.
Performance levels will be unmatched. Oracle s software already runs faster on Sun SPARC/Solaris than on any other server or operating system. With Sun as a part of Oracle, each layer of the stack will be engineered to further improve performance, reliability and manageability so that IT will be more predictable, more supportable, and more secure. Customers will benefit as their system performance goes up and their system integration and management costs go down.
In addition, our open standards-based technology will give customers choice. Customers can purchase our fully integrated systems, or easily integrate our best-of-breed technologies with their existing environments. Our open technology also enables customers to take full advantage of third party innovations. Oracle also plans to extend its partner specialization program to include Sun technologies to better enable partners to deliver differentiated and value-added solutions to customers.
As always, our primary goal is 100% customer satisfaction. We are dedicated to delivering without interruption the quality of support and service that you have come
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--建立测试数据
create table a(id number);
create table b(id number);
insert into a values(1);
insert into a values(2);
insert into a values(3);
insert into b values(1);
insert into b values(2);
insert into b values(4);
commit;
--左:
--主流数据库通用的方法
select * from a left ......
在Internet上运作数据库经常会有这样的需求：把遍布全国各城市相似的数据库应用统一起来，一个节点的数据改变不仅体现在本地，还反映到远端。复制技术给用户提供了一种快速访问共享数据的办法。
一、实现数据库复制的前提条件
1、数据库支持高级复制功能
您可以用system身份登录数据库，查看v$option视图，如果其中Adv ......
2010年2月3日，本人有一個興奮的小發現，实验证明，直接用TOAD将oracle数据库中的数据直接导入
ACCESS中是不可能的。那為了做到从TOAD中将数据导入ACCESS运用间接渠道。可以用文本文件或xls等文件。其实最令我感到惊喜的是，我是通过sql 2000作為一个间接的中介，因Ġ ......
import Java.io.*;
import java.util.*;
import java.sql.*;
public class LobPros
{
/**
* Oracle驱动程序
*/
private static final String DRIVER = "oracle.jdbc.driver.OracleDriver";
/**
* ORACLE连接用URL
*/
p ......
原文出自：http://tenn.javaeye.com/blog/99339
在Oracle
中，要按特定条件查询前N条记录，用个rownum
就搞定了。
select * from emp where rownum
<= 5
而且书上也告诫，不能对rownum
用">"，这也就意味着，如果你想用
select * from emp where rownum
&nbs ......
