Citus Data builds a column store for Postgres

Citus Data, a startup focused on turning PostgreSQL into a scale-out analytic engine, has developed a developed a columnar data store for the popular open source database. The company is open sourcing its extension for single-node environments, although it’s offering a distributed version as part of its CitusDB software. Citus already supported interactive SQL queries over Postgres (on which its technology is based), Hadoop and MongoDB, but columnar stores are faster for certain types of queries. Also, the compression features of the ORC file format that CitusDB uses can cut disk space by more than half.

Cloud databases 101: Who builds ’em and what they do

Remember when there were just two or three cloud computing platforms to choose from, and just about as many cloud databases? Well, as clouds have proliferated, so have the database services built on top of them. Here are the available services and where they’re running.

Heroku builds Postgres app for Mac users

Heroku built an app that makes it easy for Mac users to download and get started using the PostreSQL database. Called, the product should be available in the App Store soon and includes a number of popular Postgres features and libraries.