Window Functions: This function retrieves a slice of results using absolute or relative positioning. The WINDOW function will make it easier to perform calculations such as adding a running total, moving average
SQL Server built-in functions are either deterministic or nondeterministic. Functions are deterministic when they always return the same result anytime they're called by using a specific set of input values. Functions are nondeterministic when they could return different results every time they're ...
algorithmsSpinlocks are a huge part of the consistency inside the engine for multiple threads. Internal adjustments to the Database Engine make spinlocks more efficient. This change was introduced in SQL Server 2022 (all editions) and included in Azure SQL Database and Azure SQL Managed Instance...
Window aggregate analytic functions:LAG,LEAD,FIRST_VALUE,LAST_VALUE,PERCENTILE_CONT,PERCENTILE_DISC,CUME_DIST, andPERCENT_RANK Single-threaded queries running underMAXDOP 1or with a serial query plan execute in batch mode. Previously, only multi-threaded queries ran with batch execution. ...
Learn about the changes, improvements, and updates in the SQL Server 2019 release of Master Data Services.
Improve detection logic for JOIN clause and PIPELINED functions Improve naming for "Save As" statements SSMA v8.23 The v8.23 release of SSMA for Oracle contains the following changes: Support for mapping of DATE type from Oracle to the SQL Server DATE type in the Type Mapping setting ...
Direct Query, which queries live external data rather than importing it first, now supports more data sources, including Azure SQL, Oracle and Teradata. There are numerous newDAX (Data Access Expressions) functions. NewMicrosoft.AnalysisServices.Tabularnamespace manages tabular mode instances and models...
For more information, see Announcing Preview: Copy Job in Microsoft Fabric. For a tutorial, see Learn how to create a Copy job (preview) in Data Factory for Microsoft Fabric. Dataflow Gen2 CI/CD support CI/CD and Git integration are now supported for Dataflow Gen2. For more information, ...
SELECTCOLUMNS and UNION are also SuperDAX functions. To learn more about how DAX works with multidimensional models, and important patterns and constraints to be aware of, be sure to see DAX for multidimensional models. SQL Server 2019 Analysis Services GA (Generally Available) Tabular model ...
This latest release of the SQL Server Database Engine introduces new features and enhancements that increase the power and productivity of architects, developers, and administrators who design, develop, and maintain data storage systems. These are the areas in which the Database Engine has been enha...