div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentpaper-56-realmtak-1-introduction-a-simple-model-of-a-data-base-4-is-a-matrixhtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: paper 56 - realmtakhurealmtakhu210921paper_56pdf · 1 Introduction A simple model of a data base 4 is a matrix A row contains the data of one individual A column contains loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader036fdocumentsusreader036viewer20220710035fc0a3704fa9251a7b2ef5e1html5thumbnails1jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imageimg data-url=documentpaper-56-realmtak-1-introduction-a-simple-model-of-a-data-base-4-is-a-matrixhtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: paper 56 - realmtakhurealmtakhu210921paper_56pdf · 1 Introduction A simple model of a data base 4 is a matrix A row contains the data of one individual A column contains loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader036fdocumentsusreader036viewer20220710035fc0a3704fa9251a7b2ef5e1html5thumbnails2jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imageimg data-url=documentpaper-56-realmtak-1-introduction-a-simple-model-of-a-data-base-4-is-a-matrixhtmlpage=3 data-page=3 class=trans-thumb lazyload alt=Page 3: paper 56 - realmtakhurealmtakhu210921paper_56pdf · 1 Introduction A simple model of a data base 4 is a matrix A row contains the data of one individual A column contains loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII=...