Cloudflare D1 Overview

Cloudflare D1 is a serverless relational database built on SQLite. It provides automatic replication, read-caching, and instant zero-latency query execution alongside your Worker code.

Wrangler Configuration

[[d1_databases]]
binding = "DB"
database_name = "help-center-prod"
database_id = "xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx"

Prepared Statements

Always utilize prepared statements with stmt.bind() to prevent SQL injections and benefit from compiled query caching.