What Azure Database Options Should a .NET Developer Understand for Cloud Projects?

A .NET developer does not need to master every Azure database service, but should understand which database technology fits a particular application requirement. Azure SQL Database is a natural choice for relational applications using SQL Server technologies. It supports familiar concepts such as tables, relationships, transactions and T-SQL, making it suitable for many ASP.NET Core and enterprise applications. Azure SQL Managed Instance is useful when applications require broader SQL Server compatibility or migration support while still benefiting from a managed Azure service. For globally distributed NoSQL workloads, Azure Cosmos DB is important. It is designed for low-latency access, horizontal scalability and flexible data models. Developers should understand partition keys because poor partition design can create performance and scalability problems. For PostgreSQL-based applications, Azure Database for PostgreSQL provides a managed relational option and is relevant for .NET applications built around PostgreSQL. The important skill is not memorising product names. Developers should evaluate: Relational vs NoSQL requirements Transaction requirements Data volume and growth Query patterns Latency and geographic distribution Availability and disaster recovery Cost Backup and operational requirements A common beginner mistake is choosing a database based purely on familiarity. An experienced developer starts with application requirements and data access patterns, then selects the appropriate Azure service.