How can I optimize database queries in my Flask app?
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How can I optimize database queries in my Flask app?
You can optimize database queries in Flask by using techniques like indexing, query batching, and using ORM efficiently.
What is ORM and how does it help with database queries?
ORM stands for Object-Relational Mapping. It allows you to interact with the database using Python objects, which can simplify query writing and improve performance.
Can you give me an example of a batched query?
Sure! Instead of fetching records one by one, you can use a single query to fetch multiple records at once, like this: User.query.filter(User.id.in_([1, 2, 3])).all().
Are there any tools to help analyze query performance?
Yes, tools like SQLAlchemy's built-in logging, Flask-SQLAlchemy, and third-party tools like pgAdmin can help analyze and optimize query performance.
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