Nick Gauthier 4.33
Relational databases have been around for decades, and there's a vast amount of untapped power sitting right at our fingertips. The problem is that messing with SQL can be difficult and confusing. This talk, make up of 6 discrete chapters, shows how you can use a little dash of database in your app to make working in Rails easier and faster.
Chapters 1 and 2 are beginner chapters and focus on indexing and database integrity. Chapters 3 and 4 are intermediate and focus on full text search and geospatial queries. Chapters 5 and 6 are advanced and cover custom queries via AREL, aggregation, joins, and a big bag of miscellaneous tricks.