Ratings & reviews

3.01 rating

Igor R.

24 days ago

There are 2 important mistakes in 2 Chapters from 2. I won`t be continuing the course.

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Complete all chapters to get certificate

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Introduction to Django ORM

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A quick overview of the Django ORM. One of the advantages of Django is the Django ORM.

Introduction to the Course

Introduction to the ORM

Start a New Project

Initialize a New Project

Models, datatypes, and fields

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You will learn about Django's robust modeling system, including field data types for precise database structuring. The section also covers migrations for seamless schema updates and the powerful admin interface, providing an intuitive way to manage your application's data.

Defining The First Model

Field Data Types

Define Other Models

Migrations

Admin Interface

Queries

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This essential section is your treasure map for navigating Create, Read, Update, and Delete (CRUD) operations. Effortlessly craft queries to add new records, fetch and explore data with finesse, seamlessly update existing records, and confidently delete what's no longer needed. Each example is a key, unlocking the power and elegance of Django ORM. 🌟🔍💻🚀

Create Query

Retrieve Query

Lazy Queries

Ordering and Slicing

Updating

Deleting

Relations

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Explore the intricate world of database relationships in Django! This section delves into the core concepts of Many-to-One, One-to-One, and Many-to-Many relationships. Learn how to effectively model real-world scenarios in your database using Django's powerful ORM, with clear examples and practical use-cases to guide you.

Many-to-One

ForeignKey Arguments

One-to-One

Many-to-Many

Complex Queries

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After this section, you will be able to master Django's field lookups, Q and F objects for advanced queries, and Aggregation and Annotation for data summarization. You'll also learn techniques to minimize database hits, addressing the N+1 problem, and effectively using select and prefetch related.

Field Lookups

Q and F Objects

Aggregations

Annotations

Minimazing Database Hints

Advanced

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This section delves into advanced Django concepts, including the Meta class for model customization, the implementation of constraints for data integrity, the basics of transactions for ensuring database consistency, and an overview of the User model, a core component for handling user authentication and permissions in Django applications.

Class Meta

Constrains

Transactions Basics

User Model