The NoSQL and document databases provide an alternative to relational databases, not a replacement. Each has its place, and they simply provide you with more options from which to choose. But how to choose? An important gauge is the Consistency, Availability and Partition Tolerance (CAP) theorem...
SQL is used to query and manipulate the underlying relational databases such as SQL Server, Oracle, MySQL, PostgreSQL, SQLite, etc. SQL is an ANSI (American National Standards Institute) and ISO (International Organization for Standardization) standard language. However, not all the databases ...
SQL Server 2016 Analysis Services includes many new enhancements providing improved performance, easier solution authoring, automated database management, enhanced relationships with bi-directional cross filtering, parallel partition processing, and much more. At the heart of most enhancements for this...
What is difference between unique and distinct in SQL? The main difference between Unique and Distinct in SQL is thatUnique helps to ensure that all the values in a column are differentwhile Distinct helps to remove all the duplicate records when retrieving the records from a table. What is d...
SQL is a great language to learn because it's the primary database language used for data processing tasks and is used across various industries. The following reasons highlight the importance of SQL: Backbone of the data industry.SQL is considered the backbone of the data industry. It's wid...
(15.x), it was used only when a query included operations with columnstore indexes. However, some applications might use features that aren't supported with columnstore indexes and, therefore, can't use batch mode. Starting with SQL Server 2019 (15.x), batch mode is enabled on eligible ...
an application can simply read or write to memory to access or modify the contents of the file. Since the file is accessed through the operating system’s memory manager, the file is automatically partitioned into a number of pages that are paged in and paged out of memory as needed. This...
Azure Migrate allows you to register servers running SQL server with SQL VM RP during replication to automatically install SQL IaaS Agent Extension. This feature is available for agentless VMware, agentless Hyper-V, and agent-based migrations. Import CSV file for assessment now supports up to 20 ...
The nonclustered columnstore index continues to have the same functionality as in SQL Server 2012 (11.x) except for additional operators that can now be executed in batch mode. It is still not updateable except by rebuilding, and by using partition switching. The nonclustered columnstore index ...
Power BI Report Server now hosts SQL Server Analysis Services (SSAS) internally. This isn't specific to scheduled refresh. Hosting SSAS can greatly expand the report server memory footprint. The AS.ini configuration file is available on the server nodes, so if you're familiar with SSAS, you...