DuckDB in Tangram OS

Tangram OS SQL service has DuckDB as a built-in SQL Engine, it is high performance query engine that can be used to query open tables formats like Apache Iceberg or Delta Lake.

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Different from local DuckDB instance, DuckDB in Tangram SQL server is just a pure compute engine, Tangram SQL doesn't allow users to create DuckDB native tables in Tangram OS as local file system is disabled.