D1 Live demo
50 MB max per D1 query result
table: events 1,000 rows ~100 KB / row
worker.tsenv.DB

	


	

	

	

		
Find your heavy queries

		
			Find slow and expensive queries
			npx wrangler d1 insights --sort-by=reads
		
		
			Changelog: 50 MB query result limit
			From Wednesday, Nov 4, 2026