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Vector db qa
LangChain Hub prompt for Vector db qa
promptBeginner5 min to valuemarkdown
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Jan 12, 2026
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LangChain Hub prompt for Vector db qa
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Prompts to be used in vector DB question answering chains.
This is a description of the inputs that the prompt expects.
contextquestionBelow is a code snippet for how to use the prompt.
from langchain.prompts import load_prompt from langchain.chains import VectorDBQA llm = ... vectorstore = ... prompt = load_prompt('lc://prompts/vector_db_qa/<file-name>') chain = VectorDBQA.from_llm(llm, prompt=prompt, vectorstore=vectorstore)