List

rails db:migrate:safely

RailsConf 2019 - rails db:migrate:safely by Matt Duszynski
_______________________________________________________________________________________________
Cloud 66 - Pain Free Rails Deployments
Cloud 66 for Rails acts like your in-house DevOps team to build, deploy and maintain your Rails applications on any cloud or server.

Get $100 Cloud 66 Free Credits with the code: RailsConf-19
($100 Cloud 66 Free Credits, for the new user only, valid till 31st December 2019)

Link to the website: https://cloud66.com/rails?utm_source=-&utm_medium=-&utm_campaign=RailsConf19
Link to sign up: https://app.cloud66.com/users/sign_in?utm_source=-&utm_medium=-&utm_campaign=RailsConf19
_______________________________________________________________________________________________
When you're dealing with fifty million records, simple migrations can become very dangerous. Come and learn from my mistakes instead of making your own. We'll talk about what's going on behind the scenes in your database, and how to safely write and run some common migrations. Remember, uptime begins at $HOME.

RailsConf 2019