Flags, dot commands, loading commands, output controls, and REPL behavior.

The current user-facing SQL support matrix and explicit unsupported cases.

Supported query clauses, table references, grouping, ordering, and limits.

Scalar expression forms and cast targets accepted by the current binder.

Scalar, aggregate, metadata, file, and extension function families.

Generated catalog reference for every public SPQL function.

File and external-source table functions for Vortex, Arrow IPC, Parquet, and Hugging Face handles.

CREATE VIEW, CREATE TABLE AS, COPY TO, and SET trace.

Current client, SQL, file, extension, and execution limits.