Cloudflare R2 SQL gets joins, subqueries, and multi-table queries

SQL semantics on Cloudflare’s object-storage-adjacent infrastructure now support more realistic relational workloads at the edge

Happy Friday! JOINs, subqueries, and multi-table queries have *ahem* joined @CloudflareDev R2 SQL! I can't overstate how impressive the work @jeromeschneider and Sergio Estevez did to make JOINs work on Cloudflare infrastructure. C

Ranked #11 on backlist 2026-05-15 (15 May 2026 UTC) · by @MarcSelwan (Marc ) · view on X ↗

How it ranks: Backlist reads my Twitter/X timeline, scores every tweet for substance with an LLM rubric (not engagement), and publishes the daily top picks with a one-line takeaway. Curated by Surya Dantuluri.