Final answer:
All of the listed options are key Database Services provided by Azure: Azure SQL Database, Azure Cosmos DB, Azure Database for MySQL, and Azure Database for PostgreSQL. Each has unique features and capabilities tailored to various application requirements.
Step-by-step explanation:
The key Database Services provided by Azure include:
- Azure SQL Database: A fully managed relational database with auto-scaling, integrated intelligence, and robust security.
- Azure Cosmos DB: A globally distributed database service that enables you to elastically and independently scale throughput and storage across any number of Azure's geographic regions.
- Azure Database for MySQL: A fully managed database service for app developers with built-in capabilities such as high availability and scalability.
- Azure Database for PostgreSQL: A managed service that runs, manages, and scales enterprise PostgreSQL databases in the cloud.
- Indeed, All of the above options are correct as they are all Azure Database Services offered by Microsoft.
Each offers different features tailored to specific data management needs. When choosing a service, select based on the type of data workload, the scalability requirements, and specific application needs.