With an announce on the forum, Greenplum staff has spoke out about the new version of their Database Management System. I can’t resist to blog about some of its new features.
Mapreduce is a very trendy software framework. It has been introduced by Google (TM) in 2004. It is a large topic, and it is not possible to cover all of its aspetcs in a single blog article. This is a simple introduction to the _mapreduce_ usage in Greenplum 4.1.
In this article, I am going to upgrade a Greenplum cluster from version 4.0 to 4.1 using `gpmigrator`. `gpmigrator` is an utility shipped with Greenplum Community Edition whose purpose is to perform a live upgrade of an existing database.
I’m going to demonstrate how it is possible to use dblink in Greenplum 18.104.22.168
In this article we are going to show you how to write PL/Java functions in Greenplum. I assume that you have a working Greenplum (or Greenplum Community Edition) at your disposal. In this example we will use version **4.0.4**, installed in /usr/local/greenplum-db-22.214.171.124 (which is the default location).
[*MADlib*](http://madlib.net) is an open-source library for scalable in-database analytics which targets the PostgreSQL and the Greenplum databases. MADlib version 0.2beta needs to be installed properly to follow this article, so we encourage you to read the [official documentation](http://github.com/madlib/madlib/wiki/Installation-Guide-%28v0.2beta%29) to install it in a Greenplum database. I’m going to show you how to perform Association Rules […]
During EuroPython 2011, the major annual event for Python developers and users in Europe, 2ndQuadrant will deliver a special hands-on training session entitled “The Python and the Elephant”. This 4-hour workshop will take place on Thursday June 23 and will cover the two main techniques for writing applications in Python for PostgreSQL: standard client applications […]
Last week at the CHAR(10) conference we had a workshop on “Cloud Databases”. To put it simply: what to do when the use case requirements exceed the resources available in the database server. This was a main topic of the whole conference, and several solutions have been illustrated during the day. A common theme has […]