Azure SQL Database is a general-purpose relational database-as-a-service (DBaaS) based on the latest stable version of Microsoft SQL Server Database Engine.
SQL Database is a general-purpose relational database managed service in Microsoft Azure that supports structures such as
- Relational data
- JSON
- Spatial
- XML
SQL Database delivers dynamically scalable performance within two different purchasing models: a vCore-based purchasing model and a DTU-based purchasing model. SQL Database also provides options such as columnstore indexes for extreme analytic analysis and reporting, and in-memory OLTP for extreme transactional processing. Microsoft handles all patching and updating of the SQL code base seamlessly and abstracts away all management of the underlying infrastructure.
Ask any question related to Azure SQL and read more at https://docs.microsoft.com/en-us/azure/sql-database/