PostgreSQL

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Console

$ psql #logs in to default database & default user
$ sudo -u <rolename:postgres> psql #logs in with a particular user

Commands

• Show roles: \du
• Show tables: \dt
• Show databases: \l
• Connect to a database: \c <database>
• Show columns of a table: \d <table> or \d+ <table>
• Quit: \q

Creating database

 $ createdb databasename