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Improving Partial Loading Performance

#145 Aug 5, 2018 free

N+1 queries can make an application slow. Having queries called within views can also slow down an app as well as making it less extendable.

rails performance database

Auditing with Paper Trail

#96 Sep 4, 2017 free

Using the paper_trail gem, track changes to model records for auditing purposes and rollback changes when required.

rails database audit

ActiveRecord Migrations

#95 Aug 27, 2017 free

This episode covers different tips and tricks around database migration files.

rails database migration

Virtual Columns with JSON Data Types

#88 Jul 9, 2017 free

Continuing from Episode #87, we take a deeper dive into virtual columns in Rails 5.1 and use them to parse JSON Data Types with adding indexes to the virtual column.

rails database json

Virtual Columns in MySQL

#87 Jul 2, 2017 free

In Ruby on Rails 5.1.0, generated virtual column support was added for MySQL and MariaDB. Using generated and stored columns can leverage heavy calculations to the SQL side.

rails database

Database Index Optimization and Migration Maintenance

#53 Nov 6, 2016 free

Adding indexes to your databases can increase the SQL search performance on your tables. As your application grows, migration files can become out of hand, use squasher to squish them down to a single file.

rails database performance

Importing and Exporting CSV Data

#35 Jun 26, 2016 free

Basics on importing and exporting CSV Data using Ruby and without gems.

ruby rails data

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