Most people waste months learning SQL wrong. Here's the truth: you can learn it in days, if you focus on what your actual role needs.
Data analysts? Aggregation.
ML engineers? Window functions.
Data engineers? Indexing + cloud.
I built a role-specific roadmap. Comment "SQL" and I'll send the interactive version.
There's a quiet risk in making your boss look bad. It doesn't just hurt them, it puts a spotlight on the gap. And sometimes, leadership starts asking: why isn't that you in their seat?