# Features

- [Federated SQL Query](https://docs.spice.ai/features/federated-sql-query.md): Federated SQL Query documentation
- [Data Acceleration](https://docs.spice.ai/features/data-acceleration.md): Configure local acceleration for datasets in Spice for faster queries (test)
- [In-Memory Arrow Data Accelerator](https://docs.spice.ai/features/data-acceleration/in-memory-arrow-data-accelerator.md)
- [DuckDB Data Accelerator](https://docs.spice.ai/features/data-acceleration/duckdb-data-accelerator.md)
- [PostgreSQL Data Accelerator](https://docs.spice.ai/features/data-acceleration/postgresql-data-accelerator.md)
- [SQLite Data Accelerator](https://docs.spice.ai/features/data-acceleration/sqlite-data-accelerator.md)
- [Search & Retrieval](https://docs.spice.ai/features/search-and-retrieval.md): Use the advanced search and retrieval capabilities of Spice
- [AI Gateway](https://docs.spice.ai/features/ai-gateway.md): AI Gateway documentation
- [Semantic Models](https://docs.spice.ai/features/semantic-models.md): Define semantic data models in Spice to improve dataset understanding for AI
- [ML Models](https://docs.spice.ai/features/spice-models.md): Spice Machine Learning (ML) Models
- [Observability](https://docs.spice.ai/features/observability.md): First-class, built-in observability to understand the operations Spice performs.
- [Task History](https://docs.spice.ai/features/observability/task-history.md)
- [Zipkin](https://docs.spice.ai/features/observability/zipkin.md): Export observability traces from Spice into Zipkin


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