Switch To PostgreSQL In Rails And Nested N+1 Query Fixes | Ruby On Rails For Beginners Part 10

This video covers setting up Postgresql on your Linux machine, changing from SQLite to Postgresql for the Rails 7 Blog application, and setting up the database.

It then covers improving the performance of the db:seed operation by calling a recursive activerecord-import command.

Finally, we look at fixes for the noticed gem’s notifications.
DigitalOcean Blog: https://www.digitalocean.com/community/tutorials/how-to-install-postgresql-on-ubuntu-20-04-quickstart
GoRails post: https://gorails.com/episodes/rails-6-db-system-change-command
Source:
Source: https://github.com/Deanout/blog_application/

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Timestamps
0:00 Install Postgres and Set It Up On Linux
5:08 Switch Rails 7 Application To Postgresql
9:53 Performance Refactor For DB Seed Recursive ActiveRecord-Imports
14:48 Noticed Gem Postgres Fixes
17:00 Fixing Notifications From Self Showing Up
18:18 Fixing Admin Nested N+1 Child Queries (Previous Homework)

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