Its new, updatable in-memory column store can query times fast than legacy solutions. You can have confidence in the security of this database too because it’s been declared the most secure database for five years running. Mission-critical performance SQL Server accelerates reliable, mission-critical applications with a new in-memory OLTP engine that can deliver on average 10x, and up to 30x transactional performance gains.
For Data Warehousing, the new updatable in-memory column store can query x faster than legacy solutions. SQL Server also delivers peace of mind as the most secure database five years in a row. With SQL Server and Power BI for Office , it is easy to connect every user in an organization to the right data they need to make better decisions, faster.
Platform for hybrid cloud SQL Server was designed to work in a hybrid environment that spans on-premises and the cloud and has new tools that make it even easier to build back-up and disaster recovery solutions with Microsoft Azure.
These tools provide an easy on-ramp to the cloud for on-premises SQL Server databases, enabling customers to use their existing skills to take advantage of Microsoft’s global datacenters. Scale and transform your business with, on average, a 10x performance gain for transaction processing while still using existing hardware, and a greater-than x performance gain for data warehousing. High availability and disaster recovery Gain greater uptime, faster failover, improved manageability, and better use of hardware resources through AlwaysOn, a unified solution for high availability.
It then decides which sequence to access the tables referred in the query, which sequence to execute the operations and what access method to be used to access the tables. For example, if the table has an associated index, whether the index should be used or not: Finally, it decides whether to execute the query concurrently or not. While a concurrent execution is more costly in terms of total processor time, because the execution is actually split to different processors might mean it will execute faster.
Once a query plan is generated for a query, it is temporarily cached. For further invocations of the same query, the cached plan is used. Unused plans are discarded after some time. Stored procedures are parameterized T-SQL queries, that are stored in the server itself and not issued by the client application as is the case with general queries. Stored procedures can accept values sent by the client as input parameters, and send back results as output parameters. They can call defined functions, and other stored procedures, including the same stored procedure up to a set number of times.
They can be selectively provided access to. Unlike other queries, stored procedures have an associated name, which is used at runtime to resolve into the actual queries.
Also because the code need not be sent from the client every time as it can be accessed by name , it reduces network traffic and somewhat improves performance. Main article: It exposes keywords for the operations that can be performed on SQL Server, including creating and altering database schemas, entering and editing data in the database as well as monitoring and managing the server itself.
Client applications that consume data or manage the server will leverage SQL Server functionality by sending T-SQL queries and statements which are then processed by the server and results or errors returned to the client application. For this it exposes read-only tables from which server statistics can be read.
Management functionality is exposed via system-defined stored procedures which can be invoked from T-SQL queries to perform the management operation. Linked servers allow a single query to process operations performed on multiple servers. It natively implements support for the SQL Server features including the Tabular Data Stream implementation, support for mirrored SQL Server databases, full support for all data types supported by SQL Server, asynchronous operations, query notifications, encryption support, as well as receiving multiple result sets in a single database session.
NET Framework. Unlike most other applications that use. NET Framework runtime , i. SQLOS provides deadlock detection and resolution services for. NET code as well. Managed code can also be used to define UDT’s user defined types , which can persist in the database. Managed code is compiled to CLI assemblies and after being verified for type safety , registered at the database.
After that, they can be invoked like any other procedure. Most APIs relating to user interface functionality are not available. However, doing that creates a new database session, different from the one in which the code is executing.
NET provider that allows the connection to be redirected to the same session which already hosts the running code. Such connections are called context connections and are set by setting context connection parameter to true in the connection string. NET API, including classes to work with tabular data or a single row of data as well as classes to work with internal metadata about the data stored in the database.
While these are not essential for the operation of the database system, they provide value added services on top of the core database management system. Machine Learning Services[ edit ] The SQL Server Machine Learning services operates within the SQL server instance, allowing people to do machine learning and data analytics without having to send data across the network or be limited by the memory of their own computers. The services come with Microsoft’s R and Python distributions that contain commonly used packages for data science, along with some proprietary packages e.
Analysts can either configure their client machine to connect to a remote SQL server and push the script executions to it, or they can run a R or Python scripts as an external script inside a T-SQL query. The trained machine learning model can be stored inside a database and used for scoring. Enterprise, Business Intelligence, and Standard.
Enterprise for mission critical applications and data warehousing Business Intelligence for premium corporate and self-service business intelligence capabilities Standard for core database capabilities, reporting, and analytics What other editions will be available with SQL Server ? Enterprise, Business Intelligence, and Standard will be the main editions. Developer and Express editions will also continue to be distributed without changes in licensing or pricing.
What are the key licensing changes with SQL Server ? There are two licensing updates for SQL Server that are applicable to high-availability and business intelligence scenarios.
For new SQL Server licenses, a passive secondary instance is permitted only on a license covered by Software Assurance. The CAL requirement is waived for those data sources. When will these changes take effect? Other licensing changes will take effect when SQL Server is generally available. If you have licenses for prior versions with active Software Assurance, refer to the Product List for additional information. What virtualization or cloud-related licensing benefits are available with SQL Server ?
SQL Server will provide a variety of virtualization and cloud benefits that will help you save money on database licensing and retain flexibility in your database deployments. With SQL Server , you can: