OpenDuck Distributed DuckDB Skill by ara.so — Daily 2026 Skills collection OpenDuck is an open-source implementation of distributed DuckDB featuring differential storage (append-only immutable layers via Postgres + object store), hybrid dual execution (single queries split across local and remote workers), and transparent remote database attach via . It is architecturally inspired by MotherDuck but fully open protocol (gRPC + Arrow IPC). --- Architecture Overview Key concepts: - / — remote tables appear as first-class DuckDB catalog entries - Hybrid execution — gateway labels operators or , i…