https://www.onehouse.ai/blog/apache-spark-vs-clickhouse-vs-p...
Druid is real-time analytics, similar to Clickhouse. StarRocks is best at Joins - Clickhouse is not good for joins.
This is less and less true as time goes on tbh. 25.9 introduced Join Reordering as well - https://clickhouse.com/blog/clickhouse-release-25-09
