The Facebook Presto interactive SQL-on-Hadoop engine is now open source. Presto is Facebook’s take on Cloudera’s Impala or Google’s Dremel, and it already has some big-name fans in Airnb and Dropbox.

Facebook engineers have revamped the company’s open source Presto query engine to run up to four times faster, making it even more feasible for very large scale data warehouse work. “We have a large ...

MySQL and PostgreSQL are two of the most used open source SQL databases, and both fulfill the role of a general-purpose database well. How do you choose which one to use for a project? Let's look at ...