<?xml version="1.0" encoding="utf-8" ?><rss version="2.0"><channel><title><![CDATA[自强不息;厚德载物]]></title><description><![CDATA[因为拼搏，才有理想！]]></description><link>https://blog.youkuaiyun.com/Liu_Fengming</link><language>zh-cn</language><generator>https://blog.youkuaiyun.com/</generator><copyright><![CDATA[Copyright &copy; Liu_Fengming]]></copyright><item><title><![CDATA[IDT BO权限控制]]></title><link>https://blog.youkuaiyun.com/Liu_Fengming/article/details/51042659</link><guid>https://blog.youkuaiyun.com/Liu_Fengming/article/details/51042659</guid><author>Liu_Fengming</author><pubDate>Sat, 02 Apr 2016 09:33:53 +0800</pubDate><description><![CDATA[声明在BO开发群中得到，非本人所写]]></description><category></category></item><item><title><![CDATA[ETL-03]]></title><link>https://blog.youkuaiyun.com/Liu_Fengming/article/details/45397839</link><guid>https://blog.youkuaiyun.com/Liu_Fengming/article/details/45397839</guid><author>Liu_Fengming</author><pubDate>Thu, 30 Apr 2015 18:04:41 +0800</pubDate><description><![CDATA[ETL-01]]></description><category></category></item><item><title><![CDATA[ETL-02]]></title><link>https://blog.youkuaiyun.com/Liu_Fengming/article/details/45397833</link><guid>https://blog.youkuaiyun.com/Liu_Fengming/article/details/45397833</guid><author>Liu_Fengming</author><pubDate>Thu, 30 Apr 2015 18:04:04 +0800</pubDate><description><![CDATA[ETL-01]]></description><category></category></item><item><title><![CDATA[ETL-01-Expression]]></title><link>https://blog.youkuaiyun.com/Liu_Fengming/article/details/45397827</link><guid>https://blog.youkuaiyun.com/Liu_Fengming/article/details/45397827</guid><author>Liu_Fengming</author><pubDate>Thu, 30 Apr 2015 18:03:19 +0800</pubDate><description><![CDATA[ETL-01]]></description><category></category></item><item><title><![CDATA[Oracle用户、授权、角色管理]]></title><link>https://blog.youkuaiyun.com/Liu_Fengming/article/details/45192793</link><guid>https://blog.youkuaiyun.com/Liu_Fengming/article/details/45192793</guid><author>Liu_Fengming</author><pubDate>Wed, 22 Apr 2015 11:28:22 +0800</pubDate><description><![CDATA[创建和删除用户是Oracle用户管理中的常见操作，但这其中隐含了Oracle数据库系统的系统权限与对象权限方面的知识。掌握还Oracle用户的授权操作和原理，可以有效提升我们的工作效率。 Oracle数据库的权限系统分为系统权限与对象权限。系统权限( Database System Privilege )可以让用户执行特定的命令集。例如，CREATE TABLE权限允许用户创建表，GRANT
 ]]></description><category></category></item><item><title><![CDATA[oracle 显示用户]]></title><link>https://blog.youkuaiyun.com/Liu_Fengming/article/details/45192313</link><guid>https://blog.youkuaiyun.com/Liu_Fengming/article/details/45192313</guid><author>Liu_Fengming</author><pubDate>Wed, 22 Apr 2015 11:00:36 +0800</pubDate><description><![CDATA[1、显示当前用户名 
　　select user from dual;
　　show user

2、显示当然用户有哪些表 
　　select * from tab;

3、显示当所有用户的表 
　　select * from user_tables;

4、显示当有用户可以访问表 
　　select * from all_tables;

5、显示用户为SCOTT的表 ]]></description><category></category></item><item><title><![CDATA[ETL学习手册之一-Informatica PowerCenter应用架构]]></title><link>https://blog.youkuaiyun.com/Liu_Fengming/article/details/45100575</link><guid>https://blog.youkuaiyun.com/Liu_Fengming/article/details/45100575</guid><author>Liu_Fengming</author><pubDate>Fri, 17 Apr 2015 18:22:46 +0800</pubDate><description><![CDATA[]]></description><category></category></item><item><title><![CDATA[ORACLE时间函数(SYSDATE)深入理解]]></title><link>https://blog.youkuaiyun.com/Liu_Fengming/article/details/43194607</link><guid>https://blog.youkuaiyun.com/Liu_Fengming/article/details/43194607</guid><author>Liu_Fengming</author><pubDate>Tue, 27 Jan 2015 14:41:49 +0800</pubDate><description><![CDATA[加法 
select sysdate,add_months(sysdate,12) from dual; --加1年 
select sysdate,add_months(sysdate,1) from dual; --加1月 
select sysdate,to_char(sysdate+7,'yyyy-mm-dd HH24:MI:SS') from dual; --加1星期 
sele]]></description><category></category></item><item><title><![CDATA[正则表达式30分钟入门教程]]></title><link>https://blog.youkuaiyun.com/Liu_Fengming/article/details/42527455</link><guid>https://blog.youkuaiyun.com/Liu_Fengming/article/details/42527455</guid><author>Liu_Fengming</author><pubDate>Thu, 08 Jan 2015 17:30:45 +0800</pubDate><description><![CDATA[本文目标

30分钟内让你明白正则表达式是什么，并对它有一些基本的了解，让你可以在自己的程序或网页里使用它。

如何使用本教程

最重要的是——请给我30分钟，如果你没有使用正则表达式的经验，请不要试图在30秒内入门——除非你是超人 :)

别被下面那些复杂的表达式吓倒，只要跟着我一步一步来，你会发现正则表达式其实并没有想像中的那么困难。当然，如果你看完了这篇教程之后，发现自己明白]]></description><category></category></item><item><title><![CDATA[What’s new in Web Intelligence Rich Client in BI 4.0 ?]]></title><link>https://blog.youkuaiyun.com/Liu_Fengming/article/details/40150361</link><guid>https://blog.youkuaiyun.com/Liu_Fengming/article/details/40150361</guid><author>Liu_Fengming</author><pubDate>Thu, 16 Oct 2014 16:24:16 +0800</pubDate><description><![CDATA[After installing the BI 4.0 and while exploring Web Intelligence Rich Client tool, I found some of the cool features from Classic are back and some are introduced new.  In brief, navigating in Web Int]]></description><category></category></item><item><title><![CDATA[How to display column values in a single cell in Web Intelligence using Oracle database ?]]></title><link>https://blog.youkuaiyun.com/Liu_Fengming/article/details/40150423</link><guid>https://blog.youkuaiyun.com/Liu_Fengming/article/details/40150423</guid><author>Liu_Fengming</author><pubDate>Thu, 16 Oct 2014 16:22:59 +0800</pubDate><description><![CDATA[A similar post has been posted earlier using SQL Server here. 
 The steps for creating such a report are same for Oracle database.

I am using Oracle 11.2.0.1.0 with Business Objects XI 3.1 – Versi]]></description><category></category></item><item><title><![CDATA[What you should know about Stored Procedure Universe in BI 4.0 ?]]></title><link>https://blog.youkuaiyun.com/Liu_Fengming/article/details/40150249</link><guid>https://blog.youkuaiyun.com/Liu_Fengming/article/details/40150249</guid><author>Liu_Fengming</author><pubDate>Thu, 16 Oct 2014 16:19:47 +0800</pubDate><description><![CDATA[As we all know there are many advantages of using stored procedures, they are always in my problem resolving kit, as a last resort I have to use it to create one of the complex report that needs to be]]></description><category></category></item><item><title><![CDATA[SAP BI 4.0 – Central Management Server ports]]></title><link>https://blog.youkuaiyun.com/Liu_Fengming/article/details/40150287</link><guid>https://blog.youkuaiyun.com/Liu_Fengming/article/details/40150287</guid><author>Liu_Fengming</author><pubDate>Thu, 16 Oct 2014 16:17:56 +0800</pubDate><description><![CDATA[In BI 4.0 Central Management Server (CMS) uses two different ports:

a) Name Server Port 

CMS by default uses port 6400 to communicate with Designer, WebI Rich Client, Information Design Tool, Bu]]></description><category></category></item><item><title><![CDATA[JDBC connectivity in SAP BI4]]></title><link>https://blog.youkuaiyun.com/Liu_Fengming/article/details/39989165</link><guid>https://blog.youkuaiyun.com/Liu_Fengming/article/details/39989165</guid><author>Liu_Fengming</author><pubDate>Sat, 11 Oct 2014 09:47:49 +0800</pubDate><description><![CDATA[If you want to connect IDT(Information Design Tool)  to reporting data sources using JDBC you need a .jar file for that relational database.  Here in this example, I am going to show you how to connec]]></description><category></category></item><item><title><![CDATA[cognos]]></title><link>https://blog.youkuaiyun.com/Liu_Fengming/article/details/39957311</link><guid>https://blog.youkuaiyun.com/Liu_Fengming/article/details/39957311</guid><author>Liu_Fengming</author><pubDate>Fri, 10 Oct 2014 09:44:09 +0800</pubDate><description><![CDATA[第一部分 准备知识  概述 （p1）
    业务智能(Business Intelligence)
 近年来业务智能的话题开始在国内热起来。
 业务智能是在计算机应用水平达到一定程度、数据积累到一定量之后提上议事日程的一个应用领域。
 业务智能是为更好的决策而对数据进行收集、转换、分析和分发的过程。
 业务智能是把数据转化成知识的过程。包括信息的获取、分析和交流，帮助人们把获得的有用的]]></description><category></category></item><item><title><![CDATA[连接身份：表示该用户连接后拥有的权限]]></title><link>https://blog.youkuaiyun.com/Liu_Fengming/article/details/39555739</link><guid>https://blog.youkuaiyun.com/Liu_Fengming/article/details/39555739</guid><author>Liu_Fengming</author><pubDate>Thu, 25 Sep 2014 19:08:23 +0800</pubDate><description><![CDATA[conn 用户名/密码 as 连接身份@服务器连接字符串]]></description><category></category></item><item><title><![CDATA[服务器连接字符串配置]]></title><link>https://blog.youkuaiyun.com/Liu_Fengming/article/details/39455271</link><guid>https://blog.youkuaiyun.com/Liu_Fengming/article/details/39455271</guid><author>Liu_Fengming</author><pubDate>Sun, 21 Sep 2014 20:25:52 +0800</pubDate><description><![CDATA[]]></description><category></category></item><item><title><![CDATA[How do I clear my web browser's cache, cookies, and history?]]></title><link>https://blog.youkuaiyun.com/Liu_Fengming/article/details/39313253</link><guid>https://blog.youkuaiyun.com/Liu_Fengming/article/details/39313253</guid><author>Liu_Fengming</author><pubDate>Tue, 16 Sep 2014 09:47:15 +0800</pubDate><description><![CDATA[Notes:

If you don't see instructions below for your specific version or browser, search your browser's Help menu
 for "clear cache". If you're unsure what browser version you're using, from the He]]></description><category></category></item><item><title><![CDATA[SAP BO 技术]]></title><link>https://blog.youkuaiyun.com/Liu_Fengming/article/details/39298567</link><guid>https://blog.youkuaiyun.com/Liu_Fengming/article/details/39298567</guid><author>Liu_Fengming</author><pubDate>Mon, 15 Sep 2014 21:27:11 +0800</pubDate><description><![CDATA[1、联接路径问题： 
   – 环路
     在关系数据库模式中，返回太少行的一种常见联接路径称为环路，环路是一组联接，   它定义了经过模式中的一组表的闭合联接，如下图：
  
    

      解决办法：创建别名表（基表的副本）。



   – 断层陷阱（chasmtrap）
     断层陷阱是关系数据库模式中的一种常见问题，其中联接路径返回了比预计更多的数据]]></description><category></category></item><item><title><![CDATA[扇形陷阱（Fan Traps）& 断层陷阱（Chasm Traps）]]></title><link>https://blog.youkuaiyun.com/Liu_Fengming/article/details/39029063</link><guid>https://blog.youkuaiyun.com/Liu_Fengming/article/details/39029063</guid><author>Liu_Fengming</author><pubDate>Wed, 03 Sep 2014 16:18:05 +0800</pubDate><description><![CDATA[定义：实体间的关联性让人感觉混淆，扇形陷阱通常是产生于一些实体拥有多个一对多的关联，好像扇子散开一样，而关联在一起的实体间的关联性让人产生混淆。
比如：Instructors、Students、Courses这三个实体，其中一个Instructor可以有多个Student，一个Student有多个Course，一个Instructor也可以有多个Course，这时如果把关联设计为下图的形式：
]]></description><category></category></item></channel></rss>