Get Started

Welcome to Bun Installation Quickstart TypeScript TypeScript 6 and 7

Watch Mode Debugging REPL bunfig.toml File Types Module Resolution JSX Auto-install Plugins File System Router

Cookies File I/O Streams Binary Data Archive SQL SQLite S3 Redis Workers Environment Variables Shell Spawn WebView Cron Node-API FFI C Compiler Transpiler CSRF Protection Secrets Console TOML YAML Markdown JSON5 JSONL HTMLRewriter Image Hashing Glob Semver Color Utils Globals Bun APIs Web APIs Node.js Compatibility

Standards & Compatibility

SQLite

Bun natively implements a high-performance SQLite3 driver.

SQL

Bun provides native bindings for working with SQL databases through a unified Promise-based API that supports PostgreSQL, MySQL, and SQLite.

S3

Bun provides fast, native bindings for interacting with S3-compatible object storage services.

On this page

Database Strict mode Load via ES module import .close(throwOnError: boolean = false)using statement .serialize().query()WAL mode WAL sidecar file cleanup Statements Binding values strict: true lets you bind values without prefixes .all().get().run().as(Class) - Map query results to a class .iterate() (@@iterator).values().finalize().toString()Parameters Integers safeIntegers: true safeIntegers: false (default)Transactions .loadExtension().fileControl(cmd: number, value: any)Reference Datatypes