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 ...

Abstract: In modern cities, more and more people drive the vehicles, equipped with the GPS devices, which create a large scale of trajectories. Gathering and analyzing these large-scale trajectory ...

Cryptographic hash functions secure data by providing a unique fixed-length output for each input. These functions are essential in blockchain for data integrity and secure transactions. Understanding ...

Many dismiss warehousing simply as storage. But they couldn’t be more wrong: a warehouse is a dynamic hub of activity that is the foundation of the entire ecommerce order fulfillment process. From ...

Elite economics PhD programs aim to train graduate students for a lifetime of academic research. This paper asks how advising affects graduate students’ post-PhD research productivity. Advising is ...

If you are looking to improve your financial modelling skills when using Microsoft Excel spreadsheets you might be interested in this quick overview guide that provides an in-depth exploration of the ...

Microsoft Excel remains a powerful tool for data analysis and manipulation, and staying up-to-date with the latest formulas is crucial for maximizing your productivity and improving your spreadsheets.

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 ...

There appears to be a problem with the return TS types when using aggregate functions and referenced tables. Instead of getting the expected return type, I'm getting ParserError<'error'> Example with ...