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There are a lot of concepts that you need to learn:

Know your tools

Know your backend

Know your flow

Based on that, I created this page to snapshot and capture some useful and use in repeated levels in BAU

Concepts of SQLAlchemy

General Structure

This is all about SQL

Open image-20220115-045838.png

First, SQLAlchemy is an ORM system that works on python clients to manage database and systems

Second, Its work like layers before database and handle a lot of components and the same syntax for all database backend

Third, it support easier syntax

Four, the document is hard to read, but it is completed and very powerful, so please take time for it.