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Percentages in Execution Plans

Hugo Kornelis shares some information with us:

A lot of information you see when looking at execution plan is shown as a percentage. And those percentages are often the first thing that draws our attention. So it’s really important to know what those values are. And yet, I had forgotten to include coverage for percentages in my training videos. And you’ll also not find those percentages mentioned in the Execution Plan Reference. Why? Simple. They don’t exist.

It is here that I imagine a short silence. Followed by a huge outburst. “What? Of course they exist! I look at them every day!”

Read on to see what Hugo means, and also check out the video training course.