Overview: SQL remains a core skill for data management across industries in 2026Free courses build fundamentals while paid ...
Q. Could you explain how the AGGREGATE function works in Excel? A. AGGREGATE is possibly the most versatile function in Excel. Think of it as an advanced version of the SUBTOTAL function that offers ...
Hello there! 👋 I'm Luca, a BI Developer with a passion for all things data, Proficient in Python, SQL and Power BI ...
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 ...
I think it's a good start regarding the new JSON type, but got wrong behavior when using aggregate functions for JSON field types after some tests. Here're some cases. ┌─total─┐ 1. │ 3.3 │ └───────┘ 1 ...
Even if generative AI hides SQL behind the curtain, it will continue to play a critical role in how we interact with and use data. In May 1974, Donald Chamberlin and Raymond Boyce published a paper on ...
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 ...
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