Nope, it's not supported, but you could use a MERGE statement inside of a forEachBatch streaming sync Documentation on MERGEhttps://docs.databricks.com/spark/latest/spark-sql/language-manual/delta-merge-into.htmlDocumentation for arbitrary streaming ...
Delta Live Table currently does not support MERGE statement. This is work in progress.For now, you could use Structured Streaming + MERGE inside of a forEachBatch()