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mediter/migration_rollback.rb

Created December 9, 2018 09:49
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[Rollback Migration] #migration #database #rails #ruby
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migration_rollback.rb
rails db:rollback STEP=1
# Is a way to do this, if the migration you want to rollback is the last one applied. You can substitute 1 for however many migrations you want to go back.
# For example:
rails db:rollback STEP=5
# Will also rollback all the migration that happened later (4, 3, 2 and also 1).
# In order to rollback a specific migration use:
rails db:migrate:down VERSION=20100905201547
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