The XML driver supports the full range of SQL queries:. Simple queries (e.g., SELECT * FROM table): Data is read directly from the XML file.; Complex queries (e.g., using WHERE, JOIN, ORDER BY, GROUP ...

Steps: Set up a ClickHouse v25 image; Set up a Redis-like server for registers/memory access (plain redis works fine, dragonfly was slower, there's also a built-in server in /system/mem); Run all SQL ...