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LlamaIndex Python Documentation
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Vector Database

FAQ
Section titled “FAQ”
  1. Do I need to use a vector database?
  2. What’s the difference between the vector databases?
1. Do I need to use a vector database?
Section titled “1. Do I need to use a vector database?”

LlamaIndex provides a in-memory vector database allowing you to run it locally, when you have a large amount of documents vector databases provides more features and better scalability and less memory constraints depending of your hardware.

2. What’s the difference between the vector databases?
Section titled “2. What’s the difference between the vector databases?”

To check the difference between the vector databases, you can check at Vector Store Options & Feature Support.