How to Use Databases With SQLAlchemy - Flask Fridays #8

Codemy.com March 5, 2021
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John Elder

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AI is taking over the world...let's get into it! OpenClaw, Claude Code, Manus, Perplexity, and whatever other weird AI stuff that comes along with a pinch of Python Programming thrown in from time to time. Check out my website JohnElder.AI and Codemy.com for more videos!

Video Description

In this video I'll show you how to use databases with Flask using SQLAlchemy! Using databases with flask is a little harder than with other web frameworks, but it doesn't have to be too bad if you use SQLAlchemy. I'll show you how in this video by setting up a SQLite database and creating a table, and then adding a form to the site that allows us to add data to the database. After we learn how to do this with SQLite, we'll learn about MySQL and Postgres. Timecodes 0:00​​ - Introduction 1:13 - Pip Install Flask-SQLAlchemy 1:56 - Import SQLalchemy To Our Flask App 2:55 - Set SQLAlchemy Database URI For SQLITE 4:20 - Initialize The Database 4:50 - Create Our Database Model 9:39 - Import Model From The Terminal 10:38 - Create UserForm 11:25 - Create Route And Add_User Function 12:20 - Create Add_User.html Page 13:24 - Add Link To Add_User.html on Navbar 14:22 - Set Form to UserForm in Add_User Function 15:00 - Validate Form On Submit 16:54 - Save Data To Database On Submit 18:50 - Query Database And Output Users To Webpage 21:37 - Style Form With Bootstrap 22:37 - Add Table For User Output 24:46 - Conclusion

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