Explain ORM in Django briefly.
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✅ Flexible Batches – Online and offline training available for students and working Professionals. Managing databases in Full Stack Python development involves several key steps, from setting up and connecting to the database to performing CRUD operations, ensuring security, and optimizing performance. Here’s a breakdown of how it's done: Django’s ORM (Object-Relational Mapper) is designed to simplify database interactions by allowing developers to work with databases using Python code instead of SQL queries. The main purposes of Django’s ORM.
ORM (Object-Relational Mapping) in Django is a feature that allows developers to interact with the database using Python code instead of writing raw SQL queries.
Key Points:
It maps Python classes to database tables.
Each model class in Django represents a table, and each attribute of the class represents a column.
It enables you to create, retrieve, update, and delete records in the database using Python objects.
Example:
python
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from django.db import models
class Book(models.Model):
title = models.CharField(max_length=100)
author = models.CharField(max_length=50)
This creates a table Book with columns title and author.
ORM Usage Example:
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# Creating a record
book = Book(title="1984", author="George Orwell")
book .save()
# Querying records
books = Book. objects .filter(author="George Orwell")
Django ORM abstracts SQL, making database interaction easier and more Pythonic.
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