Object storage integration SQL Server 2022 (16.x) introduces new object storage integration to the data platform, enabling you to integrate SQL Server with S3-compatible object storage, in addition to Azure Sto
In SQL Server 2025 (17.x) Preview, when an ordered clustered columnstore index is built online, the sort algorithm usestempdbinstead of sorting the data in memory. IfMAXDOPfor the index build is 1, the build produces a fully ordered clustered columnstore index that doesn't have overlapping se...
Concurrent PFS updates Page Free Space (PFS) pages are special pages within a database file that SQL Server uses to help locate free space when it allocates space for an object. Page latch contention on PFS pages is commonly associated with TempDB, but it can also occur on user databases ...
Object storage integrationSQL Server 2022 (16.x) introduces new object storage integration to the data platform, enabling you to integrate SQL Server with S3-compatible object storage, in addition to Azure Storage. The first isbackup to URLand the second is Data Lake Virtualization. ...
Rowset functions Return an object that can be used like table references in a SQL statement. Scalar functions Operate on a single value and then return a single value. Scalar functions can be used wherever an expression is valid. Categories of scalar functions Expand table Function categoryDescr...
SQL is standardized in such a way by asking a specific questions of a database object, in the form of a structured query that a database knows how to respond to. SQL uses a command interpreter to parse the SQL. Because it’s such a powerful way of thinking about the data, SQL has ...
SQL Server 2019 Analysis Services GA (Generally Available) Tabular model compatibility level This release introduces the 1500 compatibility level for tabular models. Query interleaving Query interleaving is a tabular mode system configuration that can improve user query response times in high-concurrency sc...
For information about availability groups on Linux, see Availability groups for SQL Server on Linux.In an HA configuration, a cluster role is created for every availability group that you create. The WSFC cluster monitors this role to evaluate the health of the primary replica. The quorum for ...
concurrent object allocation threads. This improvement changes the way that concurrency is managed with PFS updates so that they can be updated under a shared latch, rather than an exclusive latch. This behavior is on by default in all databases (includingtempdb) starting with SQL Server 2019 (...
API.For NoSQL, SQL isn't required as an API to the data in the database, although many NoSQL databases offer a SQL-like query language. For SQL databases, SQL is typically the only, or predominant, interface to the data. Data model.With NoSQL database systems, data isn't modeled as...