This month’s column shows how to use the remarkably versatile AGGREGATE function in Excel.

SQL is a tool that is widely used in the manipulation of data and featuring in the relational database. They are applied in querying, manipulating as well as reporting data and it is commonly used by ...

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

This patch introduces user-defined SQL aggregate functions and an interface for creating them. Closes #2579 @TarantoolBot document Title: User-defined aggregate functions User-defined aggregate ...

If you have an aggregation function (sum, avg, count) in your select clause or if you have a group by clause, all of your columns must be aggregated or grouped.<BR><BR>In the version of SQL that I ...