language · inferred from evidence
SQL
A domain-specific language designed for managing data held in a relational database management system.
- Encode empty versus unavailable so wire formats and typed decoders cannot collapse them
When a per-source outcome of ok, empty, unavailable or skipped plus a completeness flag crosses a JSON, protobuf, GraphQL, SQL, queue or tool-result boundary, choose a representation where the cautious state is the default and the ok state