Django Tutorial #27 | Django ORM get() Method Explained | DoesNotExist & MultipleObjectsReturned

Описание: In Django Session 27, we continue learning Django ORM (Object Relational Mapper) and focus on how to fetch a single (particular) record from the database using the get() method.

This session helps you understand how Django ORM works internally, what type of object get() returns, and how to handle common errors while fetching data.

🔹 Topics Covered in This Session
✅ Getting a Particular Record using get()

What is get() in Django ORM

When to use get() instead of all()

Syntax and working of get()

Fetching data using a unique field

Accessing individual model fields from the returned object

🧠 Understanding Returned Data

get() returns a single model object

Difference between QuerySet and Model Object

Why .exists() and .count() do not work with get()

⚠️ Common Errors Explained in Detail
❌ DoesNotExist Error

Occurs when no record matches the condition

Why Django raises this exception

Real-time example from Django shell

❌ MultipleObjectsReturned Error

Occurs when more than one record matches

Why get() must always return only one record

Importance of using unique fields

🔍 Live Django Shell Demonstration

Fetching records using get()

Accessing object attributes

Observing and understanding exceptions

Learning how ORM communicates with the database

📌 Concept Type: Django ORM
📌 Session Focus: get() method
📌 Level: Beginner
📌 Pre-requisite: Basic Django Models & ORM (all())

This session builds a strong foundation for upcoming ORM sessions where we will cover:

ORM lookups

Conditional queries

Advanced filtering techniques
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