: Set to `true` properties `index_include_frozen` in the [SQL search API](https://www.elastic.co/docs/api/doc/elasticsearch/operation/operation-sql-query) or `index.include.frozen` in the drivers to include frozen indices.
dedicated keyword
: Explicitly perform the inclusion through the dedicated `FROZEN` keyword in the `FROM` clause or `INCLUDE FROZEN` in the `SHOW` commands: