PivotTables are still easier to create for anyone who prefers not to use formulas, and they excel at automatically grouping dates or handling large external datasets from sources like SQL Server or ...

Aggregate functions help turn large datasets into simple summaries used across many fields. GROUP BY and HAVING allow structured grouping and filtering of data for clearer reports. Functions like ...

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 ...

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 ...

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 ...

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 ...

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 ...