PostgreSQL window functions take center stage as this lesson breaks down lag, lead, and ntile with a clear, practical example. Using character names, species, and estimated net worth, the tutorial ...

‘Higher-order functions’ is a fancy term for functions that take other functions as arguments or that return functions. Very powerful! Last week, I casually dropped the term “higher-order function” ...

We'll also see how well it generates new data, and finally we'll go over the key limitations of the copilot function. At the very end, I'll show you an alternative function to the copilot formula in ...