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Choosing the right database for filtering purposes

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1 answer
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Assuming we want to build a shop like Amazon with millions of products in dozens of different categories, where each category has its own specific properties but also shares some common properties, I am wondering: is a SQL-based database like MySQL or PostgreSQL a better choice, or should I go with a NoSQL solution like Cassandra combined with Elasticsearch? I’m not a professional web developer but I’m working on an MVP app for a startup and would like to understand which option would be better. I have more experience with Cassandra and its denormalization concept, and I also know a bit about Elasticsearch, but I’m wondering if I might be going in the wrong direction if using PostgreSQL or MySQL would be a better option. **My main concern is to have a home screen like Amazon’s, where users can filter products by one, two, or even ten different properties.** For example, they should be able to choose to see only products from categories A and C, or see only products from category B that are within a specific price range and have a red color and will be shipped tomorrow, etc. etc.
Asked by user3486308 (151 rep)
Jun 12, 2025, 01:12 AM
Last activity: Jun 16, 2025, 12:45 PM