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remove_foreign_key :$Table$, name: "$Fk_name$"
remove_index :$Table$, column: :$column_name$
remove_column :$Table$, :$column_name$, :integer

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pg_restore -h localhost -U [User] -W -F t -d [BaseDatos] [Filename].tar

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ERROR: Phusion Passenger doesn't seem to be running. If you are sure that it is running, then the causes of this problem could be:

1. You customized the instance registry directory using Apache's PassengerInstanceRegistryDir option, Nginx's passenger_instance_registry_dir option, or Phusion Passenger Standalone's --instance-registry-dir command line argument. If so, please set the environment variable PASSENGER_INSTANCE_REGISTRY_DIR to that directory and run passenger-status again.
2. The instance directory has been removed by an operating system background service. Please set a different instance registry directory using Apache's PassengerInstanceRegistryDir option, Nginx's passenger_instance_registry_dir option, or Phusion Passenger Standalone's --instance-registry-dir command line argument.

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scp -r [user]@[domain]:[/directorypath/] [directorylocal]

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bundle exec rake RAILS_ENV=production db:migrate

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git config --global core.editor [editor]

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DROP TABLE [nameTable];

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DROP TABLE [nameTable];

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\c [nombre]

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# Listar bases de datos

Con este comando mostrara las bases de datos
```
\l
```

Eliminar la base de datos
```
DROP DATABASE [name];