What is indexing in Django ORM and how does it work?

What is indexing in Django ORM and how does it work?

Indexing in Django ORM is a way to optimize database queries by creating indexes on fields. It speeds up data retrieval.

How do I create an index on a model field?

You can create an index by using the indexes option in your model's Meta class. For example: indexes = [models.Index(fields=['field_name'])].

Are there any performance implications of using too many indexes?

Yes, while indexes speed up read operations, they can slow down write operations and increase storage requirements.

Can I create composite indexes in Django?

Yes, you can create composite indexes by specifying multiple fields in the fields list of the Index class.