This post aims at a very broad overview of the key differences between Mongo and Rethink.
Sails.js is a node.js framework that allows you to build enterprise-ready, custom MVC ( model, view, controller ) applications on the go. Here's how to get started with configuring your first Sails.js app.
SQL is a powerful query language which is used to access relational databases. Here's a quickstart guide to SQL tables.
In this third tutorial (see the previous one) we will introduce more advanced concepts about SparkSQL with R that you can find in the SparkR documentation, applied to the 2013 American Community Survey housing data. These concepts are related with data frame manipulation, including data slicing, summary statistics, and aggregations.
In this second Spark & R tutorial, we will read data into a SparkSQL data frame as well as have a quick look at the schema.
Instructions My Spark & Python series of tutorials can be examined individually, although there is a more or less linear ‘story’ when followed in sequence. By using the same dataset they try to solve a related set of tasks with it. It is not the only one but, a good way of following these Spark tutorials is by first cloning the GitHub...
MySQL is one of the most widely used relational database management system. Even though we are in an era where document-oriented systems like MongoDB and other Big Data programs seem to be all the rage, but MySQL is still the choice of various popular websites such as Facebook, Quora, etc.
##Introduction SQLAlchemy is a deep and powerful thing made up of many layers. This cheat sheet sticks to parts of the ORM (Object Relational Mapper) layer,and aims to be a reference not a tutorial. That said, if you are familiar with SQL then this cheat sheet should get you well on your way to understanding SQLAlchemy. Basic Models One...