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PSQL

Magic words:

psql -U postgres

Some interesting flags (to see all, use -h or --help depending on your psql version):

-E: will describe the underlaying queries of the \ commands (cool for learning!)
-l: psql will list all databases and then exit (useful if the user you connect with doesn't has a default database, like at AWS RDS)

	# Notas

	containerID # suficiente con los primeros 3 dijitos del id

	-it # Modo iterativo

	# Comprobar funcionamiento docker
	docker -v
	# o
	docker version

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