If you want to start learning SQL hands-on, it's not an easy task at all. That is why I decided to create this guide, where you will find all the information in one place that will allow you to ...

OpenAI Codex, a marvel in the realm of artificial intelligence, is a brainchild of OpenAI. This AI model is a wizard at interpreting natural language and responding with generated code. It's the ...

A query-expression is one or more table-expressions. Multiple table expressions are linked by set operators. The following figure illustrates the relationship between table-expressions and ...

Read this SQL tutorial to learn when to use SELECT, JOIN, subselects and UNION to access multiple tables with a single statement. It’s sometimes difficult to know which SQL syntax to use when ...

operand is one of the following: constant is a number or a quoted character string (or other special notation) that indicates a fixed value. Constants are also called literals. Constants are described ...

In this tutorial, we delve into building an advanced data analytics pipeline using Polars, a lightning-fast DataFrame library designed for optimal performance and scalability. Our goal is to ...