Master Excel with these 10 powerful functions. Learn time-saving tips and tricks to manage data efficiently and work smarter, ...

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 ...

Column "X" must appear in the GROUP BY clause or be used in an aggregate function #3430 New issue Closed as not planned filpano ...

Aggregate saving is the total amount of savings accumulated by all sectors of an economy, including households, businesses, and the government, within a specific period.

We recommend going over the functions of your query engine to understand its capabilities. Here, for example, you can find Presto’s documentation on aggregate functions and analytic functions.

SQLite has nice feature which allows to register custom aggregate functions written in C (and Lua in case of Tarantool) and available from SQL like any other. Example is count_x() which counts numb ...