REST APIs with Flask and Python - Setting up Your New User with PostgreSQL Permissions

The video tutorial explains how to link a Unix user to PostgreSQL, create a corresponding database, and ensure secure access by configuring PostgreSQL to require passwords. It covers the steps to create a PostgreSQL user, set up a database, and connect to it. The tutorial also delves into PostgreSQL's security configuration, explaining the difference between local and host connections and the importance of using MD5 for password authentication to enhance security, especially when using SQLAlchemy.

What is the first step in linking a Unix user to PostgreSQL?

• Log in as the root user

• Log in to the server

• Create a new database

• Set a password for the user

Why must the PostgreSQL user have the same name as the Unix user?

• To match the server's naming conventions

• To allow automatic database creation

• To ensure compatibility with other databases

• To simplify the login process

What command is used to create a database for a PostgreSQL user?

• initdb

• create db

• create user

• createdb

How does PostgreSQL determine access to a database by default?

• By requiring a security token

• By verifying the user's IP address

• By matching the database name with the Unix user name

• By checking the user's password

What is the purpose of the PostgreSQL user login security configuration file?

• To set database storage limits

• To configure user access and authentication methods

• To manage database backups

• To monitor database performance

What does the 'peer' authentication method allow?

• Access only during specific hours

• Access without a password if the Unix user matches

• Remote access from any IP address

• Access only with a password

Why is it important to change the authentication method to MD5?

• To allow multiple users to access the database

• To enhance security by requiring a password

• To ensure compatibility with older systems

• To improve database performance