-- Connect to a specific database
\c database_name

-- To quite the psql
\q

-- List all databases in the PostgreSQL database server
\l

-- List all schemas
\dn

-- List all stored procedures and functions
\df

-- List all views
\dv

-- Lists all tables in a current database
\dt

-- Get more information on tables in the current database
\dt+

-- Get detailed information on a table
\d+ table_name

-- Show a stored procedure or function code
\df+ function_name

-- Show query output in the pretty-format
\x

-- List all users
\du

-- Export table into CSV file
\copy <table_name> TO '<file_path>' CSV

-- Export table, only specific columns, to CSV file
\copy <table_name>(<column_1>,<column_1>,<column_1>) TO '<file_path>' CSV

-- Import CSV file into table
\copy <table_name> FROM '<file_path>' CSV

-- Import CSV file into table, only specific columns
\copy <table_name>(<column_1>,<column_1>,<column_1>) FROM '<file_path>' CSV