I had that recently. I have 15 years of experience, and my brain completely blanked on explaining a left join. It's embarrassing even to type it out, but it ha

I had that recently. I have 15 years of experience, and my brain completely blanked on explaining a left join. It's embarrassing even to type it out, but it happens. Very rarely I also lose my train of thought. I think it's just being a human though.