Group items tagged

This is an interesting hmmmmm . . .

A bitmap index has a significantly different structure from a B-tree index in the leaf node of the index. It stores one string of bits for each possible value (the cardinality) of the column being indexed.

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I did try using it for a while, but for some reason, it became complicated. I can definitely see the value, though, if you take the time to use it and don't have other organizational tools.