Ruby On rails Migration(ROR Migrations):

$rails generate migration migration description

The easiest way to make a change in the database schema

in Rails is to generate the migration. NEVER do a change

directly on your database.

$ rails db:migrate:reset

This will drop the database information and run migration

on a fresh one

$rails db:seed

Loads the data from the file: db/seeds.rb into the database. It's a very useful way of populating a database with the initial data

needed for a Rails project.

$rails db:migrate 
Run the migration of a model and it's attributes.

How to run reset the DB or rollback to specific steps in ruby on rails

Down to the specific version or sepcific File

$ rails db:migrate:down VERSION=version_name #20210909

To rollback to previous lattest migration

$rails db:rollback

Rollback to number of steps for example 5 migration I want to revert

$rails db:rollback STEP=5

 

RAILS task to list all migrations for a given model

$rails db:migrate:status | grep 'user'

Thank you So much for reading