Cloudflare D1 Database

Expert guidance for Cloudflare D1, a serverless SQLite database designed for horizontal scale-out across multiple databases.

Overview

D1 is Cloudflare's managed, serverless database with:

• SQLite SQL semantics and compatibility
• Built-in disaster recovery via Time Travel (30-day point-in-time recovery)
• Horizontal scale-out architecture (10 GB per database)
• Worker and HTTP API access
• Pricing based on query and storage costs only

Architecture Philosophy: D1 is optimized for per-user, per-tenant, or per-entity database patterns rather than single large databases.

Quick Start

# Create database