Learn Relational Databases by Building a Mario Database - Build a Mario Database

does anyone know the problem?
when I type “psql --username=freecodecamp dbname=mario_database;” why can not enter into the database?

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Challenge: Learn Relational Databases by Building a Mario Database - Build a Mario Database

Link to the challenge:

try:
psql --username=freecodecamp --dbname=mario_database

if that doesn’t work then,

  1. psql --username=freecodecamp --dbname=postgres
  2. \c mario_database