GitHub

Column "X" must appear in the GROUP BY clause or be used in an aggregate function

I am using Spring Boot 3.2.4 with Spring Data JPA. I have the following JpaRepository with a native query against PostgreSQL 15: @Repository public interface RevenueRepository extends ...
TWCN Tech News

What are SQL window functions?

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 ...
GitHub

Aggregate functions SUM/COUNT don't work in combination on sub-select / PowerBI direct query

SQL Error [184]: ClickHouse exception, code: 184, host: xxx port: 8123; Code: 184, e.displayText() = DB::Exception: Aggregate function sum(C1) is found inside another ...
IEEE

SUDAF: Sharing User-Defined Aggregate Functions

Abstract: We present SUDAF (Sharing User-Defined Aggregate Functions), a declarative framework that allows users to formulate UDAFs as mathematical expressions and use them in SQL statements. SUDAF ...
Microsoft

Delegation for Sum, Average, Min, and Max functions on SQL Server

The newest update for PowerApps (version 680) includes an important new capability: the delegation of aggregate functions! Delegation refers to pushing a data operation to the source. PowerApps is ...
Ars Technica

Why doesn't SQL have a mode() aggregate?

I realized how much easier my life would be if SQL had a mode() aggregate function. (I'm using it in the mathematical sense). I'm guessing that either I use SQL in a wierd way or there is a good ...