Here’s a great collection of Postgres resources.
Google now offers the capability to not only access many public data sets, but to explore the data using their visualization tools. Cool stuff.
Cassandra is an open sourced distributed database that’s part of the Apache project. It was originally developed at Facebook. Twitter has announced that they will continue to use MySQL to store tweets but will be using Cassandra to develop a real-time analytics capability. Read the rest in the Techcrunch article.
Here’s a post from Joydeep Sen Sarma about the combo of Hbase and Mapreduce.
A lot is happening these days with open source solutions to data problems and PostgreSQL and Hadoop are both at the center of the solutions. Each offers unique capabilities. Tim Sell from Last.fm has put together some information about how the two can be used together. Check out the slides and video.
Amazon CTO, Werner Vogels, announces the launch of their new cloud based relational database – the Amazon Relational Database Service (RDS).
Database vendor, Greenplum, is now offering a free download of the single node version of its database. It is available for several different operating systems. Here’s a DBMS2 article with some more information.
In another DBMS2 article, there’s some information about the pace of Greenplum’s recent customer acquisitions which bring it to 100+ as of this quarter.
And finally, here’s some information about Greenplum’s pricing: either subscription or perpetual.
Vertica has been touting the values of the columnar data store over the more traditional row structure of a database. Now Greenplum is offering its own column structure. The twist is that Greenplum allows for both row and column structures within the same database. Check out more information in this DBMS2 article.
Boing Boing explains how Google is making it easier to get your data off the Google system an on to your own or to a competitor.

