At the foundation of Data Engineering is the new Tray SQL Transformer. Teams can execute sophisticated data preparation tasks ...

As I described here, Power BI can send SQL queries in parallel in DirectQuery mode and you can see from the Timeline column there is some parallelism happening here – the last two SQL queries ...

Hello there! 👋 I'm Luca, a BI Developer with a passion for all things data, Proficient in Python, SQL and Power BI ...

Flyers may opt for the exit row on an airplane given the extra space that's offered, but there are restrictions attached to booking a seat in that area. Flight attendants must read off a verbal ...

In addition to listing data, you can also use Excel to manipulate data. For example, you can compute sales, determine inventory or calculate nearly anything. However, rather than manually entering a ...

select first_name,upper(first_name),lower(first_name),initcap(first_name), length(first_name),reverse(first_name) from employees; select * from employees where first ...

An aggregate function error in SQL occurs when you try to use an aggregate function in a way unsupported by the SQL language. You may experience the error if you do ...

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 ...