Oracle RAC One Node


In Oracle 11g release 2, Oracle introduced a new product Oracle Real Application Clusters One Node (Oracle RAC One Node)

This product is an Oracle RAC' s instance but executed in one single node. May be run on different physical servers, not only one (this is common) but a database instance is running only on the same node 
simultaneously  (* but we'll see later that this is not completely true).


Results of the last Forrester Wave about Enterprise Business Intelligence Platforms


In his blog Boris Evelson explains the more relevant results of the las Forrester Wave about Enterprise Business Intelligence Platforms.

These are the last movements, extracted from it:

  1. IBM Cognos, SAP BusinessObjects, Oracle, and SAS continue to lead the pack.
  2. Information Builders, Microsoft, and MicroStrategy move into the Leaders category.
  3. TIBCO Spotfire and Actuate maintain their Strong Performer status.
  4. QlikTech and Panorama Software move into the Strong Performer category.


Interesting resources from IBM Redbooks


IBM Redbooks

Interesting resources about DB2, Informix and IBM System X for BI from IBM Redbooks


Some MySQL news, tips and resources


News and interesting resources about MySQL announced on the last MySQL newsletter

TOP 20 2010 from IBM developerWorks


These are the 20 most popular 2010 contents on IBM developerWorks. The TOP 20 is based on newsletter subscriber activity. Very interesting list, specially for developers.

Top ten BI stories from Information Management


Top ten BI stories from Information ManagementTop 10 stories from Information Management:

  • “Best in BI? Ask the Crowd” by Jim Ericson

  • “Pros and Cons of Using a Vendor Provided Analytical Data Model in Your BI Implementation” by Boris Evelson

  • “BI, Analytics and Statistical Science” by Steve Miller ... 

"FilterTwoListComponent" for Pentaho CDF


"FilterTwoListComponent" for Pentaho CDFDear,
on this occasion I presented from group eGluBI/OpenBits a feature called "FilterTwoListComponent" for Pentaho CDF.
Transcribe some of the documentation:



Change the host name (hostname) in Windows XP with DB2 9.7


In many cases it happens that for some reason changed the hostname in our operating system, if this is the case and we also have an installation of DB2 9.7 ESE and the operating system is Windows XP, the way our DB2 instance start up correctly is:

Suppose the old name is new is OLDNAME and NEWNAME...


How to Twitter from a procedure in Oracle PL / SQL


API Calling Twitter from stored procedures PL / SQL can send status updates to a Twitter account. Apart from the funny thing it may be, can be a very effective method to warn us or our users of any event occurring in the database.

Twitter can easily convert an additional warning system for when we have problems in our Oracle database, or you simply want to learn or inform others automatically upon completion of certain processes, such as Enterprise Data Warehouse charges .

Twitteando desde un procedure de Oracle PL/SQL

Remember that Twitter accounts can be configured to be open to any user, or can be secured so that only users to access Twitter to be granted permission to 'follow'.

You can find the code and a detailed explanation on how to create a package for Twittering from PL / SQL in the Database Geek Blog , and updated source code in ORA_Tweet project has created the same Lewis Cunningham on Sourceforge.

Installation of SQL Server Management Studio Express 2008


Installation of SQL Server Management Studio Express 2008I just finished an installation of SQL Server 2008 Express and SQL Server 2008 Management Studio Express, and I had a few laps for a couple of points of the system that are not too intuitive. With this entry I hope to facilitate the job who is in the same situation later.
To begin with I thought that Management Studio already installed with the BD, and it does not. First you install the SQL Server engine, and then downloaded another package to install SQL Server Management Studio.
Installing SQL Server Express will not comment because I came up no problem worthy of note, and is well explained in many other places. I connect the Microsoft download page where the installation packages of SQL Server 2008 Express.


After installing the BD, download the installation package of SQL Server 2008 Management Studio Express, also available at the Microsoft website...


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