Database Software Development Videos and Tutorials: MySQL, Oracle, NoSQL
MongoDB is an open-source, high-performance, schema-free, document-oriented database. The goal of the MongoDB project is to bridge the functionality gap between a key/value store and a traditional RDBMS. There is a native Ruby driver for MongoDB, as well as several open-source projects providing additional support for using MongoDB from Ruby. …
As web developers, we live in an arranged marriage with JavaScript. What is a Rubyist to do? Use JavaScript as a compile target? Abstract it away on the server? With JRuby, we can embrace the shared language of the web in a compelling way, building reusable libraries that work across …
The :include and :joins options for the find method can be a little confusing because they are so similar. In this episode I show specifically when to use which option. http://railscasts.com/episodes/181-include-vs-joins
Igal Koshevoy of Pragmaticraft speaks about Comparing Non-Relational Databases: MongoDB, Tokyo Tyrant, CouchDB at the November 2009 OpenSQLCamp in Portland, Oregon.
The first part of this talk describes the main principles behind MySQL’s query optimizer and execution engine, how the optimizer transforms queries into executable query plans, what these plans look like, and how they are executed. The second part of the talk describes the major improvements in the query engine …