Which of the following is the correct result of the following SQL? SELECT * FROM users WHERE age = NULL; A. Rows where age is NULL are retrieved B. Rows where age is not NULL are retrieved ...

In this tutorial, we build a comprehensive, hands-on understanding of DuckDB-Python by working through its features directly in code on Colab. We start with the fundamentals of connection management ...

Curious engineer writing about things that work, fail, and unexpectedly scale. SQL practice is boring because nothing feels real. You type SELECT * FROM users, get a green checkmark, move on. The data ...

I have encountered challenges when using 7B LLMs for SQL generation tasks, particularly when working with the company’s databases. These models often struggle to generate accurate SQL queries, even ...

There are a couple of nice new features to do with table joins (or merges as they are known in M) and query folding in Power Query in the April release of Power BI Desktop that I want to highlight.

Some good news for those of you using DirectQuery mode in Power BI: the ApproximateDistinctCount DAX function, which returns an estimate of the number of the distinct values in a column and which can ...

Parse sacct output (this was made before it had JSON output, which you might want to look at instead - it's hard to use though). Preprocess all the values in to basic units, including values like GPU ...