SQL window functions provide extremely powerful and useful features that let you work with observations more easily. Different types explained here.

SQL Server 2012 was released last April, making it the 11th major release of the product. Every new version has delivered new functionality that should excite developers, and this release is no ...

DATEDIFF is a common function in the SQL Server to find the number of days between two dates. Oracle offers its own solution, although does not have the DATEDIFF function.

When I switched the compatibility mode to 150 (using SQL Server 2019), the same query took 900 milliseconds and the execution plan showed all of the detail of the function's execution.