How do I change the password for PostgreSQL user?
For password less login:
sudo -u user_name psql db_name
To reset the password if you have forgotten:
ALTER USER user_name WITH PASSWORD 'new_password';
What's the equivalent to show tables (from MySQL) in PostgreSQL?
How do you perform the equivalent of Oracle's DESCRIBE TABLE in PostgreSQL (using the psql command)?
As the title suggests, I'd like to select the first row of each set of rows grouped with a GROUP BY. Specifically, if I've got a purchases table that looks like this: SELECT * FROM purchases; My Output: id | customer | total …