Learn about new features for SQL Server 2022 (16.x), which gives you choices of development languages, data types, environments, and operating systems.
For more information, see What are SQL Server Big Data Clusters?.Intelligent DatabaseSQL Server 2019 (15.x) builds on innovations in previous versions to provide industry-leading performance out of the box. From Intelligent Query Processing to support for persistent memory devices, the SQL Server...
It’s time to understand what this fundamental piece of SQL means and how it can help you accomplish the things you want to accomplish while programming. In thisSQL server trainingyou can learn a lot more than just what constraints are! First, let’s understand exactly what SQL is. SQL st...
Enhanced spinlock 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...
SQL Server automatically queries both local and remote data in the linked databases. In-memory OLTP: Now supports FOREIGN KEY, UNIQUE and CHECK constraints, and native compiled stored procedures OR, NOT, SELECT DISTINCT, OUTER JOIN, and subqueries in SELECT. Supports tables up to 2TB (up ...
SQL Server automatically queries both local and remote data in the linked databases. In-memory OLTP: Now supports FOREIGN KEY, UNIQUE and CHECK constraints, and native compiled stored procedures OR, NOT, SELECT DISTINCT, OUTER JOIN, and subqueries in SELECT. Supports tables up to 2TB (up ...
SQL Server automatically queries both local and remote data in the linked databases. In-memory OLTP: Now supports FOREIGN KEY, UNIQUE and CHECK constraints, and native compiled stored procedures OR, NOT, SELECT DISTINCT, OUTER JOIN, and subqueries in SELECT. Supports tables up to 2TB (up ...
avoiding the need to redundantly store data in multiple places within a database. The relational model also provides referentialintegrityand other integrity constraints to maintain data accuracy. Those checks, part of a broader adherence to the principles ofatomicity, consistency, isolation and durability...
Real-world relational databases have tables that contain fields, constraints, and triggers, and tables are related through foreign keys. SQL is used to declare the data to be returned, and a SQL query processor and query optimizer turn the SQL declaration into a query plan that is executed ...
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 ...