Learn Relational Databases by Building a Mario Database psql: error: connection to server on socket "/var/run/postgresql/.s.PGSQL.5432" failed: FATAL: database

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half way through, had a break, trying to get back into psql on terminal and getting this error: psql: error: connection to server on socket “/var/run/postgresql/.s.PGSQL.5432” failed: FATAL: database “postgre” does not exist
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Challenge: Learn Relational Databases by Building a Mario Database - Build a Mario Database

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Because “postgre” is not the same as “postgres”.
Type correct, don’t’ hurry!