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We'll use Flask, a Python microframework, to create a CRUD (Create, Read, Update, Delete) personnel administration web app in this three-part tutorial.

Step 1 - Install the Flask-SQLAlchemy plugin. Step 2 - This module's SQLAlchemy class must be imported. Step 3 - Finally, build a Flask application object and specify the database's URI. Step 4: Create an object of class SQLAlchemy using the application object as an argument.

To manipulate databases in Flask web apps, we can utilise SQL and Object Relational Mapping (ORM). An ORM makes it easier for programmers to create SQL queries because it allows us to write queries in an object-oriented language, which the ORM then automatically converts to SQL and returns as an object.

CRUD is a computer programming acronym that stands for create, read, update, and delete, and it refers to the four functions that are required to develop a persistent storage application: create, read, update, and delete.

CREATE READ UPDATE DELETE

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