A practical guide to vector search in Amazon DocumentDB

A practical guide to vector search in Amazon DocumentDB

Discover how Amazon DocumentDB brings vector search natively to your document database—enabling intent-based and semantic search without managing a separate vector store.
10 mins read
Nov 21, 2025
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Traditional search methods are only effective for exact or keyword-based matches. However, in modern applications such as e-commerce, social platforms, and digital content systems, users expect results that align with their intent, not just the words they type.

This is where vector search transforms the experience. It represents data such as product descriptions, images, or text as numerical embeddings in a high-dimensional space. These embeddings capture semantic relationships, allowing the system to recognize that “blue running shoes” and “navy sports sneakers” are conceptually similar, even if they share no common keywords.

By embedding this capability directly into their database, AWS enables developers to store, index, and query embeddings within the same document database that holds their structured application data. The result is faster, more relevant, and context-aware search and recommendation features, all without the need to manage a separate vector database.

What are the available options for vector search in AWS?#

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Written By:
Fahim ul Haq
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