Lakehouse Research Base

Sep 10, 2026 · Databases

Apache Fluss Virtual Tables: $changelog vs $binlog for Queryable Change Streams

This article deep-dives into Apache Fluss virtual tables, explaining how $changelog and $binlog suffixes expose change logs as read-only queryable tables, detailing their schemas, use cases, differences between PrimaryKey and Log tables, startup modes, limitations, and the design philosophy enabling native CDC consumption via SQL without external tools.