A Deep Dive in How Slow SELECT * is
The Backend Engineering Show with Hussein Nasser
00:00
How to Read a Row From a File
So technically, select store should be cheap because I already have all the columns in line, cotton cotton line in that page, right? Because that's how row store stores thinks. So we'll always assume raw store. But but but then why is people tell us that select store is slow? And that's basically what we need to understand here, right? You see, every time you fetch, let's say, let's explain first of all, how do we read something, right?"
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