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Copy file name to clipboardExpand all lines: articles/synapse-analytics/sql-data-warehouse/release-notes-10-0-10106-0.md
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## Check your Azure Synapse version
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As new features are rolled out to all regions, check the version deployed to your instance and the latest release notes for feature availability. To check the version, connect to your SQL pool via SQL Server Management Studio (SSMS) and run `SELECT @@VERSION;` to return the current version.
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As new features are rolled out to all regions, check the version deployed to your instance and the latest release notes for feature availability. To check the version, connect to your SQL pool via SQL Server Management Studio (SSMS) and run `SELECT @@VERSION;` to return the current version. Use this version to confirm which release has been applied to your SQL pool. The date in the output identifies the month for the release applied to your SQL pool. This only applies to service-level improvements.
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For tooling improvements, make sure you have the correct version installed specified in the release note.
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Use the version identified to confirm which release has been applied to your SQL pool. The date in the output identifies the month for the release applied to your SQL pool.
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> [!NOTE]
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> The product name returned by SELECT @@VERSION will change from Microsoft Azure SQL Data Warehouse to Azure Synapse Analytics. We will send advanced notice before the change is made. This change is relevant for customers who parse product name from the result of SELECT @@VERSION in their application code. To avoid application code changes due to product rebranding, please use these commands to query SERVERPROPERTY for the database product name and version:
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>SELECT SERVERPROPERTY('EngineEdition')
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>```
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## April 2020
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| Service improvements | Details |
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| --- | --- |
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|**Database compatibility level (Preview)**| With this release, users can now set a database's compatibility level to get the Transact-SQL language and query processing behaviors of a specific version of the Synapse SQL engine. For more information, see [sys.database_scoped_configurations](/sql/relational-databases/system-catalog-views/sys-database-scoped-configurations-transact-sql?toc=/azure/synapse-analytics/sql-data-warehouse/toc.json&bc=/azure/synapse-analytics/sql-data-warehouse/breadcrumb/toc.json&view=azure-sqldw-latest) and [Alter Database Scoped Configuration](/sql/t-sql/statements/alter-database-scoped-configuration-transact-sql?toc=/azure/synapse-analytics/sql-data-warehouse/toc.json&bc=/azure/synapse-analytics/sql-data-warehouse/breadcrumb/toc.json&view=azure-sqldw-latest).|
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|**Sp_describe_undeclared_parameters**| Allow users to see the metadata about undeclared parameters in a Transact-SQL batch. For more information, see [sp_describe_undeclared_parameters](/sql/relational-databases/system-stored-procedures/sp-describe-undeclared-parameters-transact-sql?toc=/azure/synapse-analytics/sql-data-warehouse/toc.json&bc=/azure/synapse-analytics/sql-data-warehouse/breadcrumb/toc.json&view=azure-sqldw-latest).|
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|**[Visual Studio 16.6 Preview 2](/visualstudio/releases/2019/release-notes-preview) - SQL Server Data Tools (SSDT)** | This release includes the following improvements and fixes for SSDT: </br> </br> - Resolved an issue where changing a Table referenced by a Materialized View (MV) causes Alter View statements to be generated which is not supported for MVs<br/><br/> - Implemented a change to ensure the Schema Compare operation does not fail when Row-Level Security objects are present in the database or project. Row-level security objects is currently not supported for SSDT. <br/><br/> - SQL Server Object Explorer timeout threshold has been increased to avoid timeouts when listing a large number of objects in the database<br/><br/> - Optimized the way SQL Server Object Explorer retrieves the list of database objects to reduce instability and increase performance when populating the object explorer |
| **[Visual Studio 16.6 Preview 2](/visualstudio/releases/2019/release-notes-preview) - SQL Server Data Tools (SSDT)** | This release includes the following improvements and fixes for SSDT: </br> </br> - Resolved an issue where changing a Table referenced by a Materialized View (MV) causes Alter View statements to be generated which is not supported for MVs<br/><br/> - Implemented a change to ensure the Schema Compare operation does not fail when Row-Level Security objects are present in the database or project. Row-level security objects is currently not supported for SSDT. <br/><br/> - SQL Server Object Explorer timeout threshold has been increased to avoid timeouts when listing a large number of objects in the database<br/><br/> - Optimized the way SQL Server Object Explorer retrieves the list of database objects to reduce instability and increase performance when populating the object explorer |
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