Some - see Extended events in SQL Database No, use native cross-DB queries and Linked Server instead Yes, with required RDBMS type (public preview) See Linked server differences for cross-instance queries. Yes, but only Azure Key Vault and SHARED ACCESS SIGNATURE are supported - see details Yes, but only database scoped credentials. Yes, but without access to file system in CREATE ASSEMBLY statement - see CLR differences Yes - Premium tier, Standard tier - S3 and above, General Purpose tier, Business Critical, and Hyperscale tiers. Yes, can be set when the instance is created and can't be updated later. No, default server collation SQL_Latin1_General_CP1_CI_AS is always used. Yes, without access to file system for BACKUP and CREATE operations - see certificate differences. Yes, without access to file system for BACKUP and CREATE operations. Yes, but just from Azure Blob Storage as a source - see differences. Yes, but just from Azure Blob storage as a source. Yes - see Stored procedures, functions, triggers differences Yes, user initiated copy-only backups to Azure Blob storage (automatic system backups can't be initiated by user) - see Backup differences No, only system-initiated automatic backups - see Automated backups SQL Server instances and SQL Database can't be used as secondaries for SQL Managed Instance.Īzure Active Directory (Azure AD) authentication ![]() Use Auto-failover groups to configure a secondary SQL Managed Instance in another region. ![]() ![]() Disaster recovery is discussed in Overview of business continuity with Azure SQL Database. Disaster recovery is discussed in Overview of business continuity with Azure SQL Databaseĩ9.99.% availability is guaranteed for every database and can't be managed by user. Featureĩ9.99-99.995% availability is guaranteed for every database. The following table lists the major features of SQL Server and provides information about whether the feature is partially or fully supported in Azure SQL Database and Azure SQL Managed Instance, with a link to more information about the feature. SQL Server differencesįeatures of SQL Database and SQL Managed Instance If you need more details about the differences, you can find them in the separate pages: These features are described in the tables below. Some features that might affect high-availability or can't be used in PaaS world have limited functionalities in SQL Database and SQL Managed Instance. Multi-model capabilities - Graph processing, JSON data ( see getting started guide), OPENXML, Spatial, OPENJSON, and XML indexes.Īzure manages your databases and guarantees their high-availability.Security features - Application roles, Dynamic data masking ( see getting started guide), Row Level Security, and Threat detection - see getting started guides for SQL Database and SQL Managed Instance.Database features - Automatic tuning (plan forcing), Change tracking, Database collation, Contained databases, Contained users, Data compression, Database configuration settings, Online index operations, Partitioning, and Temporal tables ( see getting started guide).Language features - Control of flow language keywords, Cursors, Data types, DML statements, Predicates, Sequence numbers, Stored procedures, and Variables.The features that are common between SQL Server and SQL Database or SQL Managed Instance are: Most of the standard SQL language, query processing, and database management features are identical. ![]() Azure SQL Database and SQL Managed Instance share a common code base with the latest stable version of SQL Server.
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