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

Using a combination of PHP and MySQL functions, you can query an online database for numerical values, add them together and display the results on your Web page. You have to use the functions in a ...

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, ...