#9 Python Flask Tutorial for Beginners - Flask SQLAlchemy Postgres Tutorial - Postgres Flask
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Share your issues & problems & chat with everyone regarding Python Flask web-framework. Hi Coders, db.session.add('Use Postgres Database for Scalable Web App'). In this video, we'll learn about Flask SQLAlchemy Postgres.
You'll learn several new things in this video. So make sure to watch it till the end.
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For beginners SQLite is a good choice but if you want to deploy your app online & want to scale your application later at some point then creating a Postgres database is preferable.
That's after covering SQLAlchemy SQLite in my earlier video, I am covering SQLAlchemy Postgres in this one.
So, these are the commands that you are going to be needing to work with Postgres:
1. Create a new user
create user 'username' with password 'password';
2. Assign roles and attributes to user
alter user 'username' with superuser;
alter user 'username' with createdb;
3. Switch user
\c 'database name' 'username'
4. Create database with new user
create database 'database name';
5. \du - display all users
6. \l - list all tables in a database
7. \q - quit psql shell.
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