10 Easy Steps to a Complete Understanding of SQL — A walk through some of the fundamentals of SQL and the key concepts it introduces by being a declarative language rather than imperative or object oriented.

Denormalization: When, Why, and How — So your data model was built by the book complete with normal form, but you still need to improve performance? Denormalization is a technique that should be considered.

AWS Database Migration Service — You can move live, terabyte-scale databases to the cloud, with options to stick with your existing database platform or to upgrade to a new one.

Compose Enterprise: Deploy databases in minutes — We've just launched the beta of Compose Enterprise, a new powerful option for using Compose which lets you deploy production-ready databases with ease within your own cloud clusters.

Designing a RESTful API with Node and Postgres — A complete walkthrough of creating a RESTful Web service using Express, Postgres, and pg-promise.

Building A Photo Search in A Weekend with Elasticsearch — Using Docker to get things up and running quickly, this tutorial series demonstrates using Elasticsearch as an image search system.

Tile38: Geolocation Data Store, Spatial Index, and Realtime Geofence — It supports a variety of object types including lat/lon points, bounding boxes, XYZ tiles, Geohashes, and GeoJSON.

Turning The Database Inside Out with Apache Samza — An introduction to Apache Samza, a distributed stream processing framework, both in video and extended transcript form.