Microsoft Azure Architect Design (AZ-301) Practice Exam

Azure SQL Database is indeed the service that enables the creation of fully managed relational databases. It offers a scalable and high-performance relational database service built on SQL Server technology, providing various features that cater to modern application needs.

One of the key advantages of Azure SQL Database is its managed nature, which handles routine database management tasks such as patching, backups, and high availability. This allows developers and database administrators to focus on application development and database design instead of managing the underlying infrastructure.

Additionally, Azure SQL Database supports advanced capabilities such as built-in intelligence, automated performance tuning, and security features that help improve the reliability and efficiency of database operations. It can scale on demand to accommodate varying workloads, making it suitable for applications of all sizes.

In contrast, while Azure Cosmos DB is a globally distributed, multi-model database service suitable for modern applications that require low-latency access to data across multiple regions, it is not specifically tailored for traditional relational database scenarios. Azure Database for MySQL is another fully managed option, but it is specific to MySQL as its database engine rather than offering the broader SQL capabilities found in Azure SQL Database. Lastly, Azure Data Lake Storage is primarily designed for big data analytics and storage rather than managed relational databases.