Notice: This page requires JavaScript to function properly.
Please enable JavaScript in your browser settings or update your browser.Lära Define Other Models | Models, datatypes, and fields
Django ORM Ninja: Advanced Techniques for Developers
course content

Kursinnehåll

Django ORM Ninja: Advanced Techniques for Developers

Django ORM Ninja: Advanced Techniques for Developers

1. Introduction to Django ORM
Introduction to the CourseIntroduction to the ORMStart a New ProjectInitialize a New Project
2. Models, datatypes, and fields
Defining The First ModelField Data TypesDefine Other ModelsMigrationsAdmin Interface
3. Queries
Create QueryRetrieve QueryLazy QueriesOrdering and SlicingUpdatingDeleting
4. Relations
Many-to-OneForeignKey ArgumentsOne-to-OneMany-to-Many
5. Complex Queries
Field LookupsQ and F ObjectsAggregationsAnnotationsMinimazing Database Hints
6. Advanced
Class MetaConstrainsTransactions BasicsUser Model

book
Define Other Models

Let's continue to create our application. So, we continue to write our Models inside the models.py file.

Note

An id field is automatically added as a primary key for each model instance. You don't need to declare it explicitly in your models.

We haven't created any relations between our Models yet, but we'll address this shortly.

1. In the Book model, you wish to add three new fields: 'publishing_date', 'rating', and 'quantity'. Which combination of field types is the most appropriate for these fields?

2. What is the primary purpose of the '__str__' method in a Django model?

question mark

In the Book model, you wish to add three new fields: 'publishing_date', 'rating', and 'quantity'. Which combination of field types is the most appropriate for these fields?

Select the correct answer

question mark

What is the primary purpose of the '__str__' method in a Django model?

Select the correct answer

Var allt tydligt?

Hur kan vi förbättra det?

Tack för dina kommentarer!

Avsnitt 2. Kapitel 3

Fråga AI

expand

Fråga AI

ChatGPT

Fråga vad du vill eller prova någon av de föreslagna frågorna för att starta vårt samtal

course content

Kursinnehåll

Django ORM Ninja: Advanced Techniques for Developers

Django ORM Ninja: Advanced Techniques for Developers

1. Introduction to Django ORM
Introduction to the CourseIntroduction to the ORMStart a New ProjectInitialize a New Project
2. Models, datatypes, and fields
Defining The First ModelField Data TypesDefine Other ModelsMigrationsAdmin Interface
3. Queries
Create QueryRetrieve QueryLazy QueriesOrdering and SlicingUpdatingDeleting
4. Relations
Many-to-OneForeignKey ArgumentsOne-to-OneMany-to-Many
5. Complex Queries
Field LookupsQ and F ObjectsAggregationsAnnotationsMinimazing Database Hints
6. Advanced
Class MetaConstrainsTransactions BasicsUser Model

book
Define Other Models

Let's continue to create our application. So, we continue to write our Models inside the models.py file.

Note

An id field is automatically added as a primary key for each model instance. You don't need to declare it explicitly in your models.

We haven't created any relations between our Models yet, but we'll address this shortly.

1. In the Book model, you wish to add three new fields: 'publishing_date', 'rating', and 'quantity'. Which combination of field types is the most appropriate for these fields?

2. What is the primary purpose of the '__str__' method in a Django model?

question mark

In the Book model, you wish to add three new fields: 'publishing_date', 'rating', and 'quantity'. Which combination of field types is the most appropriate for these fields?

Select the correct answer

question mark

What is the primary purpose of the '__str__' method in a Django model?

Select the correct answer

Var allt tydligt?

Hur kan vi förbättra det?

Tack för dina kommentarer!

Avsnitt 2. Kapitel 3
some-alt