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Likewise, the ability to connect to that data via Linked Servers and not performing ETL or building it into the application layer is also needed.
This is where Linked Servers excel however this capability does not exist in Azure SQL Database.
Managed Instances provide the ability to create Linked Servers to both retail SQL Server deployments whether they are in Azure VMs or deployed on-premises, and to other Managed Instances.
This again removes another common blocker for migration to Paa S Data Platform systems.
Managed Instances have several key features that do not exist in Azure SQL Database most notably among these are: As well as existing features that were released in current versions such as Query Store, Temporal Tables, Row Level Security, Dynamic Data Masking, Graph Database, etc.
However, there are key differences in the architecture that make Managed Instances a different proposition.
Managed Instances give you capabilities that previously prevented many database systems being moved to Azure SQL Database, including cross database queries, lack of SQL Server Agent and other items.
Whereas Azure SQL Database is a database-centric platform, Managed Instances shift that scope to the Instance Level.
System databases will be stored on SSD storage that is local to the compute node where the database engine and SQL Server Agent are running.
This storage architecture means that the redundancy of Azure Storage can be used to protect the database and transaction log files that underpin our Data Platform solutions.