■ はじめに Wise men learn by others men's mistakes; fools by their own. https://dk521123.hatenablog.com/entry/2016/07/02/212547 の続き。 https://www.excite.co.jp/News/it_g/20140306/Slashdot_14_03_06_063252.html で、「Entity-Attribute-Value…