For each standard command on each platform, the authors not only show you how to tune your code to make it run more efficiently, they also explain in great detail why the new code works better.

In this tutorial, we will step through installing PostgreSQL, connecting to the database, loading some data, and running a variety of SQL queries.

3. Code School As the name implies, Code School is where you go to learn coding, programming, and related skills. This resource is unique in the way it provides “paths.” Each path is focused ...