What are some techniques to optimize Django ORM queries?
An example of an AI chatbot conversation about optimizing Django ORM queries for better performance.
What are some techniques to optimize Django ORM queries?
To optimize Django ORM queries, you can use techniques like select_related, prefetch_related, and query caching.
Can you explain how select_related works?
Sure! select_related is used for single-valued relationships and performs a SQL join to fetch related objects in a single query.
What about prefetch_related? How is it different?
prefetch_related is used for multi-valued relationships and executes separate queries for each relationship, then combines them in Python.
Are there any other best practices for Django ORM?
Yes, you should also consider using only() and defer() to limit the fields retrieved, and avoid N+1 query problems.
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