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Databases
Unique Identifiers at Scale: UUID, GUID & Snowflake Guide
Explore the evolution of unique identifiers from simple surnames to sophisticated distributed ID generation systems. Learn how tech companies like Meta, Twitter, and Telegram manage trillions of data rows with UUIDs, Snowflake IDs, and other modern solutions.
July 13, 2025 in System Design, Databases by Gor Grigoryan23 minutes
Interactive EF Core Migrations: Use Dependency Injection and Dapper for Complex Data Fixes
This guide explains how to inject DbContext into EF Core migrations, use Dapper for efficient reads, and keep writes transactional with migrationBuilder.Sql for safe data backfills.