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SAA-C03 · Question #268

SAA-C03 Question #268: Real Exam Question with Answer & Explanation

The correct answer is D: Install the pgvector extension on the Aurora PostgreSQL database. Configure the application to. Aurora PostgreSQL supports the pgvector extension, which allows storage and querying of vector embeddings directly inside the database. This eliminates the need for external vector databases and provides cost-effective and performant integration for AI workloads.

Submitted by hassan_iq· Mar 4, 2026Design Cost-Optimized Architectures

Question

A company launches a new web application that uses an Amazon Aurora PostgreSQL database. The company wants to add new features to the application that rely on AI. The company requires vector storage capability to use AI tools. Which solution will meet this requirement MOST cost- effectively?

Options

  • AUse Amazon OpenSearch Service to create an OpenSearch service. Configure the application to
  • BCreate an Amazon DocumentDB cluster. Configure the application to write vector embeddings to
  • CCreate an Amazon Neptune ML cluster. Configure the application to write vector embeddings to a
  • DInstall the pgvector extension on the Aurora PostgreSQL database. Configure the application to

Explanation

Aurora PostgreSQL supports the pgvector extension, which allows storage and querying of vector embeddings directly inside the database. This eliminates the need for external vector databases and provides cost-effective and performant integration for AI workloads.

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