DuckDB SQL

The unified question interface routes structured queries to DuckDB SQL within DataLens. The question router classifies questions and routes structured queries to DuckDB SQL backend. SQLCoder-7B generates valid DuckDB SQL code for query execution. The Text chunks table in DuckDB is a physical table supporting DuckDB SQL queries. The text chunks table in DuckDB with full-text search support is mapped to the DuckDB SQL data store.