SQL Window functions are an advanced type of function in SQL. In this post, you will learn about what SQL window functions are and how they can be used or work. What are SQL window functions? SQL ...

I want to design a query to compute some returns for stock data and in searching the 'SQL Server Books Online' I find a very small and not so helpful at all help section on the lead and lag functions.

Building on the DATETIMEFROMPARTS, DATETIME2FROMPARTS offers similar functionality, but yields more precise DateTime2 data type, containing fractions of a second to a specified precision. Naturally, ...

Microsoft announced the general availability of SQL Server 2019 and SQL Server Big Data Clusters at its Ignite conference on Monday. SQL Server 2019 builds on intelligent query processing features ...

JSON has stolen some of XML's thunder with features such as human and machine readability, a lightweight, compact text structure and support for many software and hardware platforms. JSON (JavaScript ...

Despite the plentiful information in Books Online and on the official “SQL Server 2000 Security” document Microsoft offers online, setting up a truly secure SQL Server remains a difficult task. In ...

As we’ve come to expect from new SQL Server releases, SQL Server 2012 has so many new features that it’s impossible even to mention them all. Nearly everyone is well served, from the BI-hungry users ...

Microsoft is integrating AI features directly into SQL Server for the first time. The new version also brings JSON support and changes the licensing model.

When it comes to improving the performance of database systems, there are nearly as many approaches as there are DBA (database administrator) teams. That might sound acceptable at first glance. But, ...

Many of the new features coming in SQL Server 2014, now available in Community Technology Preview, are encapsulated within broader and rather intuitive categories. The major categories for new ...