📖 Step 9: AI/LLM#323 / 350

Vector Database

Vector Database

📖One-line summary

A specialized database that stores embedding vectors and retrieves them by similarity.

💡Easy explanation

A database built for storing embedding vectors and answering 'find things similar to this.' It's the backbone of RAG, recommendations, and image search.

Example

의미 기반 유사도 검색

🔍 "강아지 사진"

반려견 이미지 🐶
98%
puppy photo 🐕
95%
고양이 🐱
23%