DuckDB + vss

DuckDB is an in-process SQL OLAP database management system. It excels at analytical queries on large datasets while being easy to use and deploy.

Key Features

• In-process architecture for fast data access
• Supports complex analytical queries
• Compatible with various data formats like CSV and Parquet
• Extensible with user-defined functions
• Seamless integration with Python and R

Pros

• No direct costs associated with use
• High performance for analytical workloads
• Simple installation and setup
• Active community and ongoing development

Cons

• Limited support for real-time transactions
• Not ideal for high-volume OLTP use cases
• Some features may require advanced SQL knowledge
• Performance can lag with very large datasets