Evidence USQL / Query Layer
Universal SQL, the query engine built into Evidence core and powered by DuckDB's WebAssembly distribution. It extracts data sources to Parquet and lets you query across multiple sources with a single SQL dialect via an open data-source-adapter standard. Consumed in-process through SQL, not via a network REST endpoint.
Evidence USQL / Query Layer is one of 3 APIs that Evidence publishes on the APIs.io network, described by a machine-readable OpenAPI specification.
Tagged areas include USQL, DuckDB, Query Engine, and Parquet. The published artifact set on APIs.io includes API documentation, an API reference, and an OpenAPI specification.
Metadata
The identity and technical contract details declared by the specification.
Specification
The full machine-readable OpenAPI contract behind this narrative.
Source
More from Evidence 2
Other APIs Evidence publishes across the network.