D1: open beta is here

This post announces the open beta of D1, Cloudflare's native serverless SQL database, highlighting significant scaling improvements with higher per-database storage limits (up to 2GB) and the ability to create many more databases (up to 50,000 per account). It introduces 'Time Travel' for point-in-time database recovery, enabled by default and free of charge. The post also details D1's row-based pricing model, emphasizing cost-efficiency and predictability, and explains how query performance and cost are impacted by indexing. Finally, it positions D1 as a key component for 'Workers for Platforms,' enabling database-per-user isolation for SaaS providers.