Vercel Functions Database Latency

This demo helps observe the latency characteristics of querying different popular data services from Vercel Functions.

Providers

Here is an overview of all data service providers and the compute locations available in this app:

Provider	Edge (Global)	Edge (Regional / US East)	Node
Convex (SDK)	✅	✅	✅
Fauna	✅	✅	✅
Grafbase (GraphQL)	✅	✅	✅
Neon w/ @neondatabase/serverless	✅	✅	✅
Neon w/ Drizzle ORM	✅	✅	✅
Neon w/ Prisma ORM	✅	✅	✅
PlanetScale w/ Kysely	✅	✅	❌
PlanetScale w/ Prisma ORM	✅	✅	✅
PlanetScale w/ Drizzle	✅	✅	✅
PolyScale	✅	✅	❌
Shopify (Storefront GraphQL API)	✅	✅	✅
Supabase w/ supabase-js	✅	✅	❌
Supabase w/ Prisma ORM	❌	❌	✅
Supabase w/ Drizzle	❌	❌	✅
TiDB Cloud (serverless-js)	✅	✅	❌
Tigris	✅	✅	❌
Turso	✅	✅	✅
Turso w/ Prisma ORM	✅	✅	✅
Turso w/ Drizzle	✅	✅	✅
Upstash (SDK)	✅	✅	✅
Xata w/ TypeScript SDK	✅	✅	✅
Xata w/ Prisma ORM	❌	❌	✅
Xata w/ Drizzle	❌	❌	✅

interface EmployeeTable {
  emp_no: number;
  first_name: string;
  last_name: string;
}