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Tools that allow executing a single SQL query across multiple disparate data sources to merge results into a unified set.
Distinct from SQL Query Execution: None of the candidates cover the specific concept of federating queries across heterogeneous sources as a primary identity; they focus on REST APIs or internal DB execution.
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Octosql is a federated SQL query engine, data transformer, and streaming SQL processor. It allows users to execute single SQL statements across multiple disparate data sources, including different database types and file formats, to merge and transform results into a unified set. The system distinguishes itself by treating CSV, JSONLines, and Parquet files as virtual tables and utilizing a plugin-based architecture to extend connectivity to external storage engines. It functions as a streaming processor for infinite data streams, using watermarks, retractions, and tumbling windows to maintain
Provides a federated SQL interface to execute single statements across multiple disparate data sources and merge results.