{"id":688,"date":"2026-03-04T22:52:15","date_gmt":"2026-03-04T14:52:15","guid":{"rendered":"https:\/\/catalystsolutions.corpwebz.com\/vn\/class-diagrams-vs-erds-a-comprehensive-guide-to-visual-modeling-with-visual-paradigm\/"},"modified":"2026-03-04T22:52:15","modified_gmt":"2026-03-04T14:52:15","slug":"class-diagrams-vs-erds-a-comprehensive-guide-to-visual-modeling-with-visual-paradigm","status":"publish","type":"post","link":"https:\/\/catalystsolutions.corpwebz.com\/vn\/class-diagrams-vs-erds-a-comprehensive-guide-to-visual-modeling-with-visual-paradigm\/","title":{"rendered":"S\u01a1 \u0111\u1ed3 l\u1edbp so v\u1edbi ERD: H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n v\u1ec1 m\u00f4 h\u00ecnh h\u00f3a tr\u1ef1c quan v\u1edbi Visual Paradigm"},"content":{"rendered":"<div class=\"ITr0_10CcfVlnL3y6VhK\">\n<div class=\"PBQZNIcKgp0FJ_yxBVaB\">\n<div class=\"ucB71mHYvyHsWKjYfYKI\">\n<div class=\"DDjJOsxcW6f8fPcDWaJx\">\n<div class=\"JrWQJZIYGnawLoKSzZsO\">\n<div class=\"VrBPSncUavA1d7C9kAc5\">\n<h2>1. T\u1ed5ng quan<\/h2>\n<h3>S\u01a1 \u0111\u1ed3 l\u1edbp<\/h3>\n<ul>\n<li><strong>C\u00e1i g\u00ec:<\/strong><br \/>\nS\u01a1 \u0111\u1ed3 l\u1edbp l\u00e0 m\u1ed9t lo\u1ea1i s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac t\u0129nh trong Ng\u00f4n ng\u1eef m\u00f4 h\u00ecnh h\u00f3a th\u1ed1ng nh\u1ea5t (UML). N\u00f3 bi\u1ec3u di\u1ec5n c\u00e1c l\u1edbp, giao di\u1ec7n v\u00e0 c\u00e1c m\u1ed1i quan h\u1ec7 gi\u1eefa ch\u00fang (nh\u01b0 k\u1ebf th\u1eeba, li\u00ean k\u1ebft, k\u1ebft h\u1ee3p v\u00e0 t\u1ed5ng h\u1ee3p).<\/li>\n<li><strong>Khi n\u00e0o:<\/strong><br \/>\nS\u1eed d\u1ee5ng s\u01a1 \u0111\u1ed3 l\u1edbp trong qu\u00e1 tr\u00ecnh thi\u1ebft k\u1ebf ph\u1ea7n m\u1ec1m v\u00e0 ph\u00e2n t\u00edch h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng. Ch\u00fang \u0111\u1eb7c bi\u1ec7t h\u1eefu \u00edch khi thi\u1ebft k\u1ebf c\u00e1c h\u1ec7 th\u1ed1ng c\u00f3 m\u00f4 h\u00ecnh \u0111\u1ed1i t\u01b0\u1ee3ng ph\u1ee9c t\u1ea1p, ch\u1eb3ng h\u1ea1n nh\u01b0 c\u00e1c \u1ee9ng d\u1ee5ng doanh nghi\u1ec7p ho\u1eb7c c\u00e1c h\u1ec7 th\u1ed1ng \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng b\u1eb1ng ng\u00f4n ng\u1eef h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng.<\/li>\n<li><strong>T\u1ea1i sao:<\/strong>\n<ul>\n<li>\u0110\u1ec3 m\u00f4 h\u00ecnh h\u00f3a b\u1ea3n v\u1ebd thi\u1ebft k\u1ebf c\u1ee7a m\u1ed9t h\u1ec7 th\u1ed1ng h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng.<\/li>\n<li>\u0110\u1ec3 cung c\u1ea5p c\u00e1i nh\u00ecn r\u00f5 r\u00e0ng v\u1ec1 c\u00e1c l\u1edbp v\u00e0 tr\u00e1ch nhi\u1ec7m c\u1ee7a ch\u00fang.<\/li>\n<li>\u0110\u1ec3 h\u1ed7 tr\u1ee3 giao ti\u1ebfp gi\u1eefa c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n v\u00e0 c\u00e1c b\u00ean li\u00ean quan kh\u00e1c.<\/li>\n<\/ul>\n<\/li>\n<li><strong>L\u00e0m th\u1ebf n\u00e0o:<\/strong>\n<ul>\n<li>X\u00e1c \u0111\u1ecbnh c\u00e1c l\u1edbp ch\u00ednh v\u00e0 c\u00e1c thu\u1ed9c t\u00ednh\/ph\u01b0\u01a1ng th\u1ee9c c\u1ee7a ch\u00fang.<\/li>\n<li>X\u00e1c \u0111\u1ecbnh c\u00e1c m\u1ed1i quan h\u1ec7 (v\u00ed d\u1ee5: li\u00ean k\u1ebft, ph\u1ee5 thu\u1ed9c, kh\u00e1i qu\u00e1t h\u00f3a) gi\u1eefa c\u00e1c l\u1edbp n\u00e0y.<\/li>\n<li>Tinh ch\u1ec9nh chi ti\u1ebft m\u1ed9t c\u00e1ch l\u1eb7p l\u1ea1i khi thi\u1ebft k\u1ebf ph\u00e1t tri\u1ec3n.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3>S\u01a1 \u0111\u1ed3 quan h\u1ec7 th\u1ef1c th\u1ec3 (ERD)<\/h3>\n<ul>\n<li><strong>C\u00e1i g\u00ec:<\/strong><br \/>\nS\u01a1 \u0111\u1ed3 quan h\u1ec7 th\u1ef1c th\u1ec3 l\u00e0 m\u1ed9t k\u1ef9 thu\u1eadt m\u00f4 h\u00ecnh h\u00f3a d\u1eef li\u1ec7u kh\u00e1i ni\u1ec7m, minh h\u1ecda c\u00e1c th\u1ef1c th\u1ec3 (b\u1ea3ng) trong c\u01a1 s\u1edf d\u1eef li\u1ec7u v\u00e0 c\u00e1c m\u1ed1i quan h\u1ec7 gi\u1eefa ch\u00fang. N\u00f3 ch\u1ee7 y\u1ebfu bao g\u1ed3m c\u00e1c th\u1ef1c th\u1ec3, thu\u1ed9c t\u00ednh, kh\u00f3a ch\u00ednh v\u00e0 c\u00e1c m\u1ed1i quan h\u1ec7 (m\u1ed9t-m\u1ed9t, m\u1ed9t-nhi\u1ec1u, nhi\u1ec1u-nhi\u1ec1u) gi\u1eefa ch\u00fang.<\/li>\n<li><strong>Khi n\u00e0o:<\/strong><br \/>\nS\u1eed d\u1ee5ng ERD trong giai \u0111o\u1ea1n thi\u1ebft k\u1ebf c\u01a1 s\u1edf d\u1eef li\u1ec7u, th\u01b0\u1eddng \u0111\u01b0\u1ee3c d\u00f9ng trong m\u00f4 h\u00ecnh h\u00f3a d\u1eef li\u1ec7u cho c\u01a1 s\u1edf d\u1eef li\u1ec7u quan h\u1ec7. Ch\u00fang h\u1eefu \u00edch khi b\u1ea1n c\u1ea7n x\u00e1c \u0111\u1ecbnh c\u1ea5u tr\u00fac d\u1eef li\u1ec7u v\u00e0 c\u00e1c m\u1ed1i li\u00ean k\u1ebft gi\u1eefa ch\u00fang tr\u01b0\u1edbc khi tri\u1ec3n khai th\u1ef1c t\u1ebf.<\/li>\n<li><strong>T\u1ea1i sao:<\/strong>\n<ul>\n<li>\u0110\u1ec3 l\u00e0m r\u00f5 c\u1ea5u tr\u00fac d\u1eef li\u1ec7u v\u00e0 c\u00e1c m\u1ed1i quan h\u1ec7 gi\u1eefa c\u00e1c th\u1ef1c th\u1ec3 d\u1eef li\u1ec7u.<\/li>\n<li>\u0110\u1ec3 l\u00e0m b\u1ea3n v\u1ebd thi\u1ebft k\u1ebf cho vi\u1ec7c t\u1ea1o l\u01b0\u1ee3c \u0111\u1ed3 c\u01a1 s\u1edf d\u1eef li\u1ec7u.<\/li>\n<li>\u0110\u1ec3 truy\u1ec1n \u0111\u1ea1t c\u00e1c y\u00eau c\u1ea7u d\u1eef li\u1ec7u nh\u1eb1m x\u00e2y d\u1ef1ng v\u00e0 duy tr\u00ec m\u1ed9t c\u01a1 s\u1edf d\u1eef li\u1ec7u.<\/li>\n<\/ul>\n<\/li>\n<li><strong>L\u00e0m th\u1ebf n\u00e0o:<\/strong>\n<ul>\n<li>X\u00e1c \u0111\u1ecbnh c\u00e1c th\u1ef1c th\u1ec3 (b\u1ea3ng) t\u1eeb y\u00eau c\u1ea7u c\u1ee7a b\u1ea1n.<\/li>\n<li>X\u00e1c \u0111\u1ecbnh c\u00e1c thu\u1ed9c t\u00ednh (c\u1ed9t) cho m\u1ed7i th\u1ef1c th\u1ec3.<\/li>\n<li>X\u00e1c \u0111\u1ecbnh c\u00e1c m\u1ed1i quan h\u1ec7 v\u00e0 c\u00e1c c\u1ea5p \u0111\u1ed9 (cardinalities).<\/li>\n<li>Tinh ch\u1ec9nh c\u00e1c kh\u00f3a (kh\u00f3a ch\u00ednh v\u00e0 kh\u00f3a ngo\u1ea1i) v\u00e0 c\u00e1c r\u00e0ng bu\u1ed9c d\u1ef1a tr\u00ean c\u00e1c quy t\u1eafc kinh doanh.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>2. So s\u00e1nh s\u01a1 \u0111\u1ed3 l\u1edbp v\u1edbi ERD<\/h2>\n<h3>V\u00f9ng t\u1eadp trung<\/h3>\n<ul>\n<li><strong>S\u01a1 \u0111\u1ed3 l\u1edbp:<\/strong>\n<ul>\n<li>Nh\u1ea5n m\u1ea1nh v\u00e0o h\u00e0nh vi v\u00e0 c\u1ea5u tr\u00fac c\u1ee7a c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng.<\/li>\n<li>Ch\u1ee9a c\u00e1c ph\u01b0\u01a1ng th\u1ee9c (thao t\u00e1c) v\u00e0 thu\u1ed9c t\u00ednh, ph\u1ea3n \u00e1nh logic kinh doanh v\u00e0 c\u00e1c thao t\u00e1c.<\/li>\n<li>H\u1ed7 tr\u1ee3 k\u1ebf th\u1eeba v\u00e0 c\u00e1c nguy\u00ean t\u1eafc h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng kh\u00e1c.<\/li>\n<\/ul>\n<\/li>\n<li><strong>ERD:<\/strong>\n<ul>\n<li>T\u1eadp trung v\u00e0o c\u1ea5u tr\u00fac d\u1eef li\u1ec7u v\u00e0 c\u00e1c m\u1ed1i quan h\u1ec7 c\u1ee7a n\u00f3.<\/li>\n<li>Ch\u1ee7 y\u1ebfu x\u1eed l\u00fd c\u00e1c th\u1ef1c th\u1ec3 (t\u01b0\u01a1ng t\u1ef1 nh\u01b0 b\u1ea3ng trong c\u01a1 s\u1edf d\u1eef li\u1ec7u) v\u00e0 c\u00e1c thu\u1ed9c t\u00ednh c\u1ee7a ch\u00fang, kh\u00f4ng bao g\u1ed3m h\u00e0nh vi.<\/li>\n<li>T\u1eadp trung v\u00e0o t\u00ednh nh\u1ea5t qu\u00e1n d\u1eef li\u1ec7u, chu\u1ea9n h\u00f3a v\u00e0 c\u00e1c r\u00e0ng bu\u1ed9c.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3>M\u1ee9c \u0111\u1ed9 chi ti\u1ebft<\/h3>\n<ul>\n<li><strong>S\u01a1 \u0111\u1ed3 l\u1edbp:<\/strong>\n<ul>\n<li>Cung c\u1ea5p chi ti\u1ebft v\u1ec1 c\u00e1c kh\u00eda c\u1ea1nh \u0111\u1ed9ng c\u1ee7a c\u00e1c l\u1edbp h\u1ec7 th\u1ed1ng (ph\u01b0\u01a1ng th\u1ee9c, t\u00ednh kh\u1ea3 ki\u1ebfn v\u00e0 t\u01b0\u01a1ng t\u00e1c).<\/li>\n<li>H\u1eefu \u00edch \u0111\u1ec3 thi\u1ebft k\u1ebf ki\u1ebfn tr\u00fac n\u1ed9i b\u1ed9 c\u1ee7a \u1ee9ng d\u1ee5ng.<\/li>\n<\/ul>\n<\/li>\n<li><strong>ERDs:<\/strong>\n<ul>\n<li>Cung c\u1ea5p c\u00e1i nh\u00ecn t\u1ed5ng quan \u1edf c\u1ea5p \u0111\u1ed9 cao v\u1ec1 l\u01b0u tr\u1eef d\u1eef li\u1ec7u m\u00e0 kh\u00f4ng \u0111i s\u00e2u v\u00e0o h\u00e0nh vi.<\/li>\n<li>Ph\u1ee5c v\u1ee5 nh\u01b0 m\u1ed9t thi\u1ebft k\u1ebf ban \u0111\u1ea7u cho vi\u1ec7c t\u1ea1o c\u01a1 s\u1edf d\u1eef li\u1ec7u thay v\u00ec logic \u1ee9ng d\u1ee5ng.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3>Bi\u1ec3u di\u1ec5n<\/h3>\n<ul>\n<li><strong>K\u00fd hi\u1ec7u s\u01a1 \u0111\u1ed3 l\u1edbp:<\/strong>\n<ul>\n<li>C\u00e1c h\u1ed9p bi\u1ec3u di\u1ec5n c\u00e1c l\u1edbp v\u1edbi c\u00e1c ng\u0103n ch\u1ee9a t\u00ean, thu\u1ed9c t\u00ednh v\u00e0 ph\u01b0\u01a1ng th\u1ee9c.<\/li>\n<li>C\u00e1c \u0111\u01b0\u1eddng bi\u1ec3u di\u1ec5n m\u1ed1i quan h\u1ec7 (\u0111\u01b0\u1eddng li\u1ec1n \u0111\u1ec3 bi\u1ec3u di\u1ec5n li\u00ean k\u1ebft, \u0111\u1ea7u m\u0169i t\u00ean h\u1edf \u0111\u1ec3 bi\u1ec3u di\u1ec5n t\u1ed5ng qu\u00e1t h\u00f3a, h\u00ecnh kim c\u01b0\u01a1ng \u0111\u1ec3 bi\u1ec3u di\u1ec5n k\u1ebft h\u1ee3p, v.v.).<\/li>\n<\/ul>\n<\/li>\n<li><strong>K\u00fd hi\u1ec7u ERD:<\/strong>\n<ul>\n<li>C\u00e1c h\u1ed9p bi\u1ec3u di\u1ec5n c\u00e1c th\u1ef1c th\u1ec3 v\u1edbi danh s\u00e1ch c\u00e1c thu\u1ed9c t\u00ednh.<\/li>\n<li>C\u00e1c \u0111\u01b0\u1eddng bi\u1ec3u di\u1ec5n m\u1ed1i quan h\u1ec7 gi\u1eefa c\u00e1c th\u1ef1c th\u1ec3 v\u1edbi c\u00e1c ch\u1ec9 s\u1ed1 l\u1ef1c l\u01b0\u1ee3ng (m\u0169i t\u00ean chim cu, 1, 0..1, v.v.).<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3>S\u1eed d\u1ee5ng trong qu\u00e1 tr\u00ecnh ph\u00e1t tri\u1ec3n<\/h3>\n<ul>\n<li><strong>S\u01a1 \u0111\u1ed3 l\u1edbp:<\/strong>\n<ul>\n<li>Ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong giai \u0111o\u1ea1n thi\u1ebft k\u1ebf c\u1ee7a ph\u00e1t tri\u1ec3n \u1ee9ng d\u1ee5ng.<\/li>\n<li>C\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c tinh ch\u1ec9nh trong qu\u00e1 tr\u00ecnh l\u1eadp tr\u00ecnh v\u00e0 tri\u1ec3n khai.<\/li>\n<\/ul>\n<\/li>\n<li><strong>ERDs:<\/strong>\n<ul>\n<li>Ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong giai \u0111o\u1ea1n m\u00f4 h\u00ecnh h\u00f3a d\u1eef li\u1ec7u.<\/li>\n<li>Th\u01b0\u1eddng \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n tr\u01b0\u1edbc khi t\u1ea1o s\u01a1 \u0111\u1ed3 l\u1edbp trong c\u00e1c d\u1ef1 \u00e1n m\u00e0 thi\u1ebft k\u1ebf c\u01a1 s\u1edf d\u1eef li\u1ec7u l\u00e0 then ch\u1ed1t.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>3. S\u1eed d\u1ee5ng Visual Paradigm \u0111\u1ec3 m\u00f4 h\u00ecnh h\u00f3a<\/h2>\n<p>Visual Paradigm l\u00e0 m\u1ed9t c\u00f4ng c\u1ee5 m\u00f4 h\u00ecnh h\u00f3a linh ho\u1ea1t h\u1ed7 tr\u1ee3 c\u1ea3 UML (s\u01a1 \u0111\u1ed3 l\u1edbp) v\u00e0 m\u00f4 h\u00ecnh h\u00f3a c\u01a1 s\u1edf d\u1eef li\u1ec7u (ERD). D\u01b0\u1edbi \u0111\u00e2y l\u00e0 c\u00e1ch b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng Visual Paradigm m\u1ed9t c\u00e1ch hi\u1ec7u qu\u1ea3:<\/p>\n<h3>3.1 B\u1eaft \u0111\u1ea7u<\/h3>\n<ul>\n<li><strong>C\u00e0i \u0111\u1eb7t v\u00e0 thi\u1ebft l\u1eadp:<\/strong>\n<ul>\n<li>T\u1ea3i xu\u1ed1ng v\u00e0 c\u00e0i \u0111\u1eb7t Visual Paradigm t\u1eeb trang web ch\u00ednh th\u1ee9c.<\/li>\n<li>T\u1ea1o m\u1ed9t d\u1ef1 \u00e1n m\u1edbi v\u00e0 ch\u1ecdn t\u00f9y ch\u1ecdn m\u00f4 h\u00ecnh h\u00f3a (UML cho s\u01a1 \u0111\u1ed3 l\u1edbp ho\u1eb7c M\u00f4 h\u00ecnh d\u1eef li\u1ec7u cho ERD) t\u00f9y theo nhu c\u1ea7u c\u1ee7a b\u1ea1n.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3>3.2 T\u1ea1o s\u01a1 \u0111\u1ed3 l\u1edbp trong Visual Paradigm<\/h3>\n<ol>\n<li><strong>B\u1eaft \u0111\u1ea7u m\u1ed9t d\u1ef1 \u00e1n UML m\u1edbi:<\/strong>\n<ul>\n<li>M\u1edf Visual Paradigm.<\/li>\n<li>T\u1ea1o m\u1ed9t d\u1ef1 \u00e1n UML m\u1edbi b\u1eb1ng c\u00e1ch ch\u1ecdn File &gt; New &gt; Project, sau \u0111\u00f3 ch\u1ecdn UML.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Th\u00eam s\u01a1 \u0111\u1ed3 l\u1edbp:<\/strong>\n<ul>\n<li>Trong tr\u00ecnh duy\u1ec7t s\u01a1 \u0111\u1ed3\/thanh b\u00ean, nh\u1ea5p chu\u1ed9t ph\u1ea3i v\u00e0 ch\u1ecdn New Diagram &gt; UML Diagram &gt; Class Diagram.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Thi\u1ebft k\u1ebf c\u00e1c l\u1edbp c\u1ee7a b\u1ea1n:<\/strong>\n<ul>\n<li><strong>Th\u00eam l\u1edbp:<\/strong>K\u00e9o v\u00e0 th\u1ea3 bi\u1ec3u t\u01b0\u1ee3ng l\u1edbp v\u00e0o kh\u00f4ng gian l\u00e0m vi\u1ec7c c\u1ee7a b\u1ea1n.<\/li>\n<li><strong>X\u00e1c \u0111\u1ecbnh thu\u1ed9c t\u00ednh v\u00e0 ph\u01b0\u01a1ng th\u1ee9c:<\/strong>Nh\u1ea5p \u0111\u00fap v\u00e0o l\u1edbp \u0111\u1ec3 m\u1edf c\u1eeda s\u1ed5 thu\u1ed9c t\u00ednh v\u00e0 th\u00eam thu\u1ed9c t\u00ednh (tr\u01b0\u1eddng d\u1eef li\u1ec7u) v\u00e0 thao t\u00e1c (ph\u01b0\u01a1ng th\u1ee9c).<\/li>\n<\/ul>\n<\/li>\n<li><strong>Thi\u1ebft l\u1eadp m\u1ed1i quan h\u1ec7:<\/strong>\n<ul>\n<li><strong>M\u1ed1i quan h\u1ec7:<\/strong>S\u1eed d\u1ee5ng \u0111\u01b0\u1eddng n\u1ed1i quan h\u1ec7 \u0111\u1ec3 k\u1ebft n\u1ed1i c\u00e1c l\u1edbp.<\/li>\n<li><strong>K\u1ebf th\u1eeba:<\/strong>S\u1eed d\u1ee5ng m\u0169i t\u00ean t\u1ed5ng qu\u00e1t h\u00f3a \u0111\u1ec3 bi\u1ec3u di\u1ec5n m\u1ed1i quan h\u1ec7 k\u1ebf th\u1eeba gi\u1eefa c\u00e1c l\u1edbp.<\/li>\n<li><strong>C\u00e1c m\u1ed1i quan h\u1ec7 kh\u00e1c:<\/strong>Th\u00eam c\u00e1c m\u1ed1i quan h\u1ec7 k\u1ebft h\u1ee3p ho\u1eb7c t\u00edch h\u1ee3p b\u1eb1ng c\u00e1ch ch\u1ecdn b\u1ed9 n\u1ed1i ph\u00f9 h\u1ee3p.<\/li>\n<\/ul>\n<\/li>\n<li><strong>T\u00f9y ch\u1ec9nh v\u00e0 t\u00e0i li\u1ec7u h\u00f3a:<\/strong>\n<ul>\n<li>T\u00f9y ch\u1ec9nh ngo\u1ea1i h\u00ecnh s\u01a1 \u0111\u1ed3 b\u1eb1ng c\u00e1c t\u00ednh n\u0103ng \u0111\u1ecbnh d\u1ea1ng c\u1ee7a Visual Paradigm.<\/li>\n<li>Th\u00eam ghi ch\u00fa ho\u1eb7c r\u00e0ng bu\u1ed9c khi c\u1ea7n thi\u1ebft.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Xu\u1ea5t v\u00e0 chia s\u1ebb:<\/strong>\n<ul>\n<li>L\u01b0u s\u01a1 \u0111\u1ed3 c\u1ee7a b\u1ea1n v\u00e0 xu\u1ea5t ra \u0111\u1ecbnh d\u1ea1ng mong mu\u1ed1n (PNG, PDF, v.v.) \u0111\u1ec3 s\u1eed d\u1ee5ng trong t\u00e0i li\u1ec7u ho\u1eb7c thuy\u1ebft tr\u00ecnh.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3>3.3 T\u1ea1o ERD trong Visual Paradigm<\/h3>\n<ol>\n<li><strong>B\u1eaft \u0111\u1ea7u m\u1ed9t d\u1ef1 \u00e1n ERD m\u1edbi:<\/strong>\n<ul>\n<li>M\u1edf Visual Paradigm.<\/li>\n<li>T\u1ea1o m\u1ed9t d\u1ef1 \u00e1n m\u1edbi v\u00e0 ch\u1ecdn M\u00f4 h\u00ecnh h\u00f3a D\u1eef li\u1ec7u ho\u1eb7c ch\u1ecdn S\u01a1 \u0111\u1ed3 ER t\u00f9y thu\u1ed9c v\u00e0o lo\u1ea1i d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Th\u00eam m\u1ed9t s\u01a1 \u0111\u1ed3 ER:<\/strong>\n<ul>\n<li>Trong tr\u00ecnh duy\u1ec7t s\u01a1 \u0111\u1ed3, ch\u1ecdn S\u01a1 \u0111\u1ed3 m\u1edbi &gt; S\u01a1 \u0111\u1ed3 ER.<\/li>\n<\/ul>\n<\/li>\n<li><strong>X\u00e1c \u0111\u1ecbnh c\u00e1c th\u1ef1c th\u1ec3:<\/strong>\n<ul>\n<li><strong>Th\u00eam c\u00e1c th\u1ef1c th\u1ec3:<\/strong>K\u00e9o bi\u1ec3u t\u01b0\u1ee3ng th\u1ef1c th\u1ec3 (b\u1ea3ng) v\u00e0o kh\u00f4ng gian l\u00e0m vi\u1ec7c c\u1ee7a b\u1ea1n.<\/li>\n<li><strong>Th\u00eam thu\u1ed9c t\u00ednh:<\/strong>Nh\u1ea5p \u0111\u00fap v\u00e0o th\u1ef1c th\u1ec3 \u0111\u1ec3 th\u00eam thu\u1ed9c t\u00ednh. \u0110\u00e1nh d\u1ea5u kh\u00f3a ch\u00ednh v\u00e0 t\u00f9y ch\u1ecdn kh\u00f3a ngo\u1ea1i.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Thi\u1ebft l\u1eadp m\u1ed1i quan h\u1ec7:<\/strong>\n<ul>\n<li><strong>Li\u00ean k\u1ebft:<\/strong>K\u1ebft n\u1ed1i c\u00e1c th\u1ef1c th\u1ec3 b\u1eb1ng c\u00e1c \u0111\u01b0\u1eddng m\u1ed1i quan h\u1ec7.<\/li>\n<li><strong>X\u00e1c \u0111\u1ecbnh t\u00ednh cardinality:<\/strong>X\u00e1c \u0111\u1ecbnh c\u00e1c m\u1ed1i quan h\u1ec7 m\u1ed9t-\u0111\u1ed1i-m\u1ed9t, m\u1ed9t-\u0111\u1ed1i-nhi\u1ec1u ho\u1eb7c nhi\u1ec1u-\u0111\u1ed1i-nhi\u1ec1u b\u1eb1ng c\u00e1c k\u00fd hi\u1ec7u cardinality c\u00f3 s\u1eb5n trong Visual Paradigm.<\/li>\n<\/ul>\n<\/li>\n<li><strong>T\u00f9y ch\u1ec9nh v\u00e0 r\u00e0ng bu\u1ed9c:<\/strong>\n<ul>\n<li>T\u00f9y ch\u1ec9nh c\u00e1c thu\u1ed9c t\u00ednh h\u00ecnh \u1ea3nh.<\/li>\n<li>Th\u00eam r\u00e0ng bu\u1ed9c v\u00e0 ghi ch\u00fa v\u00e0o c\u00e1c th\u1ef1c th\u1ec3 n\u1ebfu c\u1ea7n.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Xu\u1ea5t v\u00e0 chia s\u1ebb:<\/strong>\n<ul>\n<li>L\u01b0u s\u01a1 \u0111\u1ed3 ERD c\u1ee7a b\u1ea1n v\u00e0 xu\u1ea5t n\u00f3 d\u01b0\u1edbi \u0111\u1ecbnh d\u1ea1ng mong mu\u1ed1n \u0111\u1ec3 t\u00e0i li\u1ec7u thi\u1ebft k\u1ebf c\u01a1 s\u1edf d\u1eef li\u1ec7u.<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<h3>3.4 T\u00edch h\u1ee3p gi\u1eefa c\u00e1c s\u01a1 \u0111\u1ed3 l\u1edbp v\u00e0 ERD<\/h3>\n<ul>\n<li><strong>B\u1ea3n \u0111\u1ed3 gi\u1eefa c\u00e1c m\u00f4 h\u00ecnh:<\/strong>\n<ul>\n<li>N\u1ebfu b\u1ea1n \u0111ang ph\u00e1t tri\u1ec3n m\u1ed9t \u1ee9ng d\u1ee5ng h\u01b0\u1edbng \u0111\u1ed1i t\u01b0\u1ee3ng \u0111\u01b0\u1ee3c h\u1ed7 tr\u1ee3 b\u1edfi c\u01a1 s\u1edf d\u1eef li\u1ec7u quan h\u1ec7, b\u1ea1n c\u00f3 th\u1ec3 \u00e1nh x\u1ea1 th\u1ee7 c\u00f4ng c\u00e1c l\u1edbp v\u00e0o c\u00e1c th\u1ef1c th\u1ec3.<\/li>\n<li>Visual Paradigm h\u1ed7 tr\u1ee3 k\u1ef9 thu\u1eadt k\u1ef9 thu\u1eadt hai chi\u1ec1u trong m\u1ed9t s\u1ed1 tr\u01b0\u1eddng h\u1ee3p, n\u01a1i b\u1ea1n c\u00f3 th\u1ec3 t\u1ea1o c\u1ea5u tr\u00fac c\u01a1 s\u1edf d\u1eef li\u1ec7u t\u1eeb m\u00f4 h\u00ecnh l\u1edbp ho\u1eb7c ng\u01b0\u1ee3c l\u1ea1i.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Duy tr\u00ec t\u00ednh nh\u1ea5t qu\u00e1n:<\/strong>\n<ul>\n<li>S\u1eed d\u1ee5ng kho l\u01b0u tr\u1eef c\u1ee7a Visual Paradigm \u0111\u1ec3 li\u00ean k\u1ebft c\u00e1c lo\u1ea1i s\u01a1 \u0111\u1ed3 kh\u00e1c nhau. \u0110i\u1ec1u n\u00e0y gi\u00fap \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u00e1c c\u1eadp nh\u1eadt trong s\u01a1 \u0111\u1ed3 l\u1edbp \u0111\u01b0\u1ee3c ph\u1ea3n \u00e1nh trong s\u01a1 \u0111\u1ed3 ERD t\u01b0\u01a1ng \u1ee9ng v\u00e0 ng\u01b0\u1ee3c l\u1ea1i.<\/li>\n<li>Duy tr\u00ec m\u1ed9t \u0111\u01b0\u1eddng d\u1eabn t\u00e0i li\u1ec7u r\u00f5 r\u00e0ng \u0111\u1ec3 li\u00ean k\u1ebft c\u00e1c l\u1edbp v\u1edbi c\u00e1c b\u1ea3ng trong qu\u00e1 tr\u00ecnh tri\u1ec3n khai.<\/li>\n<\/ul>\n<\/li>\n<li><strong>C\u00e1c th\u1ef1c h\u00e0nh t\u1ed1t nh\u1ea5t:<\/strong>\n<ul>\n<li>X\u00e1c \u0111\u1ecbnh r\u00f5 ranh gi\u1edbi gi\u1eefa logic kinh doanh (l\u1edbp) v\u00e0 l\u01b0u tr\u1eef d\u1eef li\u1ec7u (ERD).<\/li>\n<li>S\u1eed d\u1ee5ng quy \u01b0\u1edbc \u0111\u1eb7t t\u00ean gi\u00fap x\u00e1c \u0111\u1ecbnh c\u00e1c \u0111i\u1ec3m giao nhau gi\u1eefa c\u00e1c m\u00f4 h\u00ecnh.<\/li>\n<li>C\u1eadp nh\u1eadt th\u01b0\u1eddng xuy\u00ean c\u1ea3 hai s\u01a1 \u0111\u1ed3 khi hi\u1ec3u bi\u1ebft c\u1ee7a b\u1ea1n v\u1ec1 h\u1ec7 th\u1ed1ng ng\u00e0y c\u00e0ng ph\u00e1t tri\u1ec3n.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>4. M\u1eb9o th\u1ef1c t\u1ebf cho quy tr\u00ecnh m\u00f4 h\u00ecnh h\u00f3a th\u00e0nh c\u00f4ng<\/h2>\n<ul>\n<li><strong>Hi\u1ec3u \u0111\u1ed1i t\u01b0\u1ee3ng ng\u01b0\u1eddi xem:<\/strong>\n<ul>\n<li>S\u01a1 \u0111\u1ed3 l\u1edbp th\u01b0\u1eddng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng v\u1edbi c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n v\u00e0 c\u00e1c b\u00ean li\u00ean quan v\u1ec1 k\u1ef9 thu\u1eadt.<\/li>\n<li>S\u01a1 \u0111\u1ed3 quan h\u1ec7 th\u1ef1c th\u1ec3 (ERD) th\u01b0\u1eddng h\u01b0\u1edbng \u0111\u1ebfn c\u00e1c qu\u1ea3n tr\u1ecb vi\u00ean c\u01a1 s\u1edf d\u1eef li\u1ec7u v\u00e0 ki\u1ebfn tr\u00fac s\u01b0 d\u1eef li\u1ec7u.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Tinh ch\u1ec9nh theo t\u1eebng giai \u0111o\u1ea1n:<\/strong>\n<ul>\n<li>B\u1eaft \u0111\u1ea7u v\u1edbi nh\u1eefng n\u00e9t ch\u00ednh\u2014x\u00e1c \u0111\u1ecbnh c\u00e1c l\u1edbp ho\u1eb7c th\u1ef1c th\u1ec3 ch\u00ednh.<\/li>\n<li>T\u1eeb t\u1eeb th\u00eam chi ti\u1ebft khi y\u00eau c\u1ea7u tr\u1edf n\u00ean r\u00f5 r\u00e0ng h\u01a1n.<\/li>\n<\/ul>\n<\/li>\n<li><strong>Th\u00e0nh th\u1ea1o c\u00f4ng c\u1ee5:<\/strong>\n<ul>\n<li>D\u00e0nh th\u1eddi gian l\u00e0m quen v\u1edbi giao di\u1ec7n v\u00e0 t\u00ednh n\u0103ng c\u1ee7a Visual Paradigm.<\/li>\n<li>T\u1eadn d\u1ee5ng c\u00e1c h\u01b0\u1edbng d\u1eabn, t\u00e0i li\u1ec7u v\u00e0 di\u1ec5n \u0111\u00e0n c\u1ed9ng \u0111\u1ed3ng \u0111\u1ec3 c\u00f3 c\u00e1c m\u1eb9o s\u1eed d\u1ee5ng n\u00e2ng cao.<\/li>\n<\/ul>\n<\/li>\n<li><strong>H\u1ee3p t\u00e1c:<\/strong>\n<ul>\n<li>S\u1eed d\u1ee5ng c\u00e1c t\u00ednh n\u0103ng h\u1ee3p t\u00e1c nh\u00f3m c\u1ee7a Visual Paradigm \u0111\u1ec3 m\u1eddi ph\u1ea3n h\u1ed3i v\u00e0 c\u1eadp nh\u1eadt s\u01a1 \u0111\u1ed3 trong m\u00f4i tr\u01b0\u1eddng nh\u00f3m.<\/li>\n<li>Lu\u00f4n lu\u00f4n xem x\u00e9t l\u1ea1i s\u01a1 \u0111\u1ed3 c\u00f9ng v\u1edbi c\u1ea3 nh\u00e0 ph\u00e1t tri\u1ec3n v\u00e0 ki\u1ebfn tr\u00fac s\u01b0 d\u1eef li\u1ec7u \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o thi\u1ebft k\u1ebf th\u1ed1ng nh\u1ea5t.<\/li>\n<\/ul>\n<\/li>\n<li><strong>T\u00e0i li\u1ec7u:<\/strong>\n<ul>\n<li>Gi\u1eef cho c\u00e1c m\u00f4 h\u00ecnh \u0111\u01b0\u1ee3c t\u00e0i li\u1ec7u h\u00f3a \u0111\u1ea7y \u0111\u1ee7 b\u1eb1ng c\u00e1ch th\u00eam ghi ch\u00fa, l\u1ecbch s\u1eed phi\u00ean b\u1ea3n v\u00e0 b\u1ed1i c\u1ea3nh cho c\u00e1c quy\u1ebft \u0111\u1ecbnh \u0111\u01b0\u1ee3c \u0111\u01b0a ra trong t\u1eebng s\u01a1 \u0111\u1ed3.<\/li>\n<li>Xem x\u00e9t li\u00ean k\u1ebft c\u00e1c s\u01a1 \u0111\u1ed3 v\u1edbi c\u00e1c y\u00eau c\u1ea7u ho\u1eb7c c\u00e2u chuy\u1ec7n ng\u01b0\u1eddi d\u00f9ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng truy xu\u1ea5t ngu\u1ed3n g\u1ed1c.<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>5. K\u1ebft lu\u1eadn<\/h2>\n<p>Hi\u1ec3u r\u00f5 s\u01a1 \u0111\u1ed3 l\u1edbp v\u00e0 ERD l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft \u0111\u1ec3 thi\u1ebft k\u1ebf c\u00e1c h\u1ec7 th\u1ed1ng m\u1ea1nh m\u1ebd, d\u00f9 b\u1ea1n \u0111ang t\u1eadp trung v\u00e0o logic v\u00e0 h\u00e0nh vi c\u1ee7a c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng trong \u1ee9ng d\u1ee5ng hay c\u1ea5u tr\u00fac d\u1eef li\u1ec7u n\u1ec1n t\u1ea3ng cho c\u01a1 s\u1edf d\u1eef li\u1ec7u c\u1ee7a b\u1ea1n. Visual Paradigm cung c\u1ea5p m\u1ed9t b\u1ed9 c\u00f4ng c\u1ee5 to\u00e0n di\u1ec7n cho c\u1ea3 hai lo\u1ea1i m\u00f4 h\u00ecnh h\u00f3a, gi\u00fap b\u1ea1n d\u1ec5 d\u00e0ng t\u1ea1o, tinh ch\u1ec9nh, t\u00edch h\u1ee3p v\u00e0 chia s\u1ebb c\u00e1c m\u00f4 h\u00ecnh c\u1ee7a m\u00ecnh. B\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng \u0111\u00fang c\u00e1c t\u00ednh n\u0103ng c\u00f4ng c\u1ee5 v\u00e0 tu\u00e2n theo quy tr\u00ecnh tinh ch\u1ec9nh theo t\u1eebng giai \u0111o\u1ea1n, \u0111\u01b0\u1ee3c t\u00e0i li\u1ec7u h\u00f3a r\u00f5 r\u00e0ng, b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng c\u1ea3 thi\u1ebft k\u1ebf \u1ee9ng d\u1ee5ng v\u00e0 c\u1ea5u tr\u00fac d\u1eef li\u1ec7u \u0111\u1ec1u \u0111\u01b0\u1ee3c \u0111\u1ed3ng b\u1ed9, d\u1ec5 b\u1ea3o tr\u00ec v\u00e0 truy\u1ec1n \u0111\u1ea1t r\u00f5 r\u00e0ng \u0111\u1ebfn t\u1ea5t c\u1ea3 c\u00e1c b\u00ean li\u00ean quan.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<div class=\"ITr0_10CcfVlnL3y6VhK\">\n<h2 class=\"wZ4JdaHxSAhGy1HoNVja yGEuosa_aZeFroGMfpgu\">T\u00e0i nguy\u00ean v\u1ec1 UML v\u00e0 s\u01a1 \u0111\u1ed3 l\u1edbp<\/h2>\n<ol>\n<li>\n<p dir=\"auto\"><strong>C\u00f4ng c\u1ee5 s\u01a1 \u0111\u1ed3 quan h\u1ec7 th\u1ef1c th\u1ec3 (ERD)<\/strong>: C\u00f4ng c\u1ee5 n\u00e0y cho ph\u00e9p b\u1ea1n t\u1ea1o v\u00e0 truy\u1ec1n \u0111\u1ea1t c\u00e1c thi\u1ebft k\u1ebf c\u01a1 s\u1edf d\u1eef li\u1ec7u tr\u1ef1c quan. N\u00f3 h\u1ed7 tr\u1ee3 c\u00e1c m\u00f4 h\u00ecnh ERD kh\u00e1i ni\u1ec7m, logic v\u00e0 v\u1eadt l\u00fd, c\u1ea7n thi\u1ebft cho c\u00e1c giai \u0111o\u1ea1n kh\u00e1c nhau trong thi\u1ebft k\u1ebf c\u01a1 s\u1edf d\u1eef li\u1ec7u. B\u1ea1n c\u0169ng c\u00f3 th\u1ec3 t\u1ea1o m\u00e3 SQL t\u1eeb ERD v\u00e0 th\u1ef1c hi\u1ec7n ki\u1ec3m tra c\u00e1c l\u1ec7nh DDL ho\u1eb7c DML.<a href=\"https:\/\/www.visual-paradigm.com\/features\/database-design-with-erd-tools\/\">\u0110\u1ecdc th\u00eam<\/a> <a class=\"mi-ref cursor-pointer align-super text-muted fade-in hover:underline\" data-state=\"closed\" href=\"https:\/\/www.visual-paradigm.com\/features\/database-design-with-erd-tools\/\" rel=\"noopener\" target=\"_blank\">1<\/a>.<\/p>\n<\/li>\n<li>\n<p dir=\"auto\"><strong>V\u1ebd s\u01a1 \u0111\u1ed3 quan h\u1ec7 th\u1ef1c th\u1ec3 trong Visual Paradigm<\/strong>: H\u01b0\u1edbng d\u1eabn n\u00e0y cung c\u1ea5p c\u00e1c b\u01b0\u1edbc chi ti\u1ebft v\u1ec1 c\u00e1ch v\u1ebd ERD trong Visual Paradigm. N\u00f3 bao g\u1ed3m h\u01b0\u1edbng d\u1eabn v\u1ec1 \u0111\u1eb7t t\u00ean s\u01a1 \u0111\u1ed3, m\u00f4 t\u1ea3 v\u00e0 ch\u1ecdn m\u00f4 h\u00ecnh d\u1eef li\u1ec7u. N\u00f3 c\u0169ng \u0111\u1ec1 c\u1eadp \u0111\u1ebfn c\u00e1ch qu\u1ea3n l\u00fd th\u00f4ng s\u1ed1 th\u1ef1c th\u1ec3 v\u00e0 c\u00e1c t\u00f9y ch\u1ecdn tr\u00ecnh b\u00e0y.<a href=\"https:\/\/www.visual-paradigm.com\/support\/documents\/vpuserguide\/3563\/3564\/85375_drawingentit.html\">\u0110\u1ecdc th\u00eam<\/a> <a class=\"mi-ref cursor-pointer align-super text-muted fade-in hover:underline\" data-state=\"closed\" href=\"https:\/\/www.visual-paradigm.com\/support\/documents\/vpuserguide\/3563\/3564\/85375_drawingentit.html\" rel=\"noopener\" target=\"_blank\">2<\/a>.<\/p>\n<\/li>\n<li>\n<p dir=\"auto\"><strong>C\u00f4ng c\u1ee5 ERD tr\u1ef1c tuy\u1ebfn<\/strong>: C\u00f4ng c\u1ee5 ERD tr\u1ef1c tuy\u1ebfn c\u1ee7a Visual Paradigm cung c\u1ea5p c\u00e1ch \u0111\u01a1n gi\u1ea3n \u0111\u1ec3 v\u1ebd s\u01a1 \u0111\u1ed3 ER. N\u00f3 bao g\u1ed3m t\u1ea5t c\u1ea3 c\u00e1c k\u00fd hi\u1ec7u v\u00e0 k\u1ebft n\u1ed1i ERD c\u1ea7n thi\u1ebft \u0111\u1ec3 t\u1ea1o ra c\u00e1c m\u00f4 h\u00ecnh ER chuy\u00ean nghi\u1ec7p, ti\u00eau chu\u1ea9n ng\u00e0nh. C\u00f4ng c\u1ee5 n\u00e0y c\u0169ng h\u1ed7 tr\u1ee3 h\u1ee3p t\u00e1c v\u00e0 t\u00edch h\u1ee3p v\u1edbi c\u00e1c s\u1ea3n ph\u1ea9m c\u1ee7a MS Office.<a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/features\/erd-tool\/\">\u0110\u1ecdc th\u00eam<\/a> <a class=\"mi-ref cursor-pointer align-super text-muted fade-in hover:underline\" data-state=\"closed\" href=\"https:\/\/online.visual-paradigm.com\/diagrams\/features\/erd-tool\/\" rel=\"noopener\" target=\"_blank\">3<\/a>.<\/p>\n<\/li>\n<li>\n<p dir=\"auto\"><strong>S\u01a1 \u0111\u1ed3 quan h\u1ec7 th\u1ef1c th\u1ec3 (ERD) l\u00e0 g\u00ec?<\/strong>: B\u00e0i vi\u1ebft n\u00e0y gi\u1ea3i th\u00edch c\u00e1c kh\u00e1i ni\u1ec7m c\u01a1 b\u1ea3n v\u1ec1 ERD, t\u1ea7m quan tr\u1ecdng c\u1ee7a ch\u00fang trong thi\u1ebft k\u1ebf c\u01a1 s\u1edf d\u1eef li\u1ec7u, v\u00e0 c\u00e1ch ch\u00fang gi\u00fap h\u00ecnh dung c\u00e1c th\u1ef1c th\u1ec3 ch\u00ednh v\u00e0 m\u1ed1i quan h\u1ec7 gi\u1eefa ch\u00fang trong m\u1ed9t h\u1ec7 th\u1ed1ng. B\u00e0i vi\u1ebft c\u0169ng th\u1ea3o lu\u1eadn v\u1ec1 vi\u1ec7c s\u1eed d\u1ee5ng ERD trong k\u1ef9 thu\u1eadt v\u00e0 qu\u1ea3n l\u00fd c\u01a1 s\u1edf d\u1eef li\u1ec7u.<a href=\"https:\/\/www.visual-paradigm.com\/guide\/data-modeling\/what-is-entity-relationship-diagram\/\">\u0110\u1ecdc th\u00eam<\/a> <a class=\"mi-ref cursor-pointer align-super text-muted fade-in hover:underline\" data-state=\"closed\" href=\"https:\/\/www.visual-paradigm.com\/guide\/data-modeling\/what-is-entity-relationship-diagram\/\" rel=\"noopener\" target=\"_blank\">4<\/a>.<\/p>\n<\/li>\n<li>\n<p dir=\"auto\"><strong>C\u00f4ng c\u1ee5 S\u01a1 \u0111\u1ed3 quan h\u1ec7 th\u1ef1c th\u1ec3 (ERD) cho m\u00f4 h\u00ecnh h\u00f3a d\u1eef li\u1ec7u<\/strong>: C\u00f4ng c\u1ee5 n\u00e0y h\u1ed7 tr\u1ee3 c\u00e1c m\u1ee9c \u0111\u1ed9 kh\u00e1c nhau v\u1ec1 nhu c\u1ea7u thi\u1ebft k\u1ebf c\u01a1 s\u1edf d\u1eef li\u1ec7u, bao g\u1ed3m ERD kh\u00e1i ni\u1ec7m, logic v\u00e0 v\u1eadt l\u00fd. N\u00f3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng nh\u01b0 m\u1ed9t b\u1ea3n v\u1ebd thi\u1ebft k\u1ebf \u0111\u1ec3 x\u00e2y d\u1ef1ng ph\u1ea7n m\u1ec1m m\u1edbi ho\u1eb7c t\u00e1i thi\u1ebft k\u1ebf c\u00e1c \u1ee9ng d\u1ee5ng c\u0169. C\u00f4ng c\u1ee5 n\u00e0y c\u0169ng cho ph\u00e9p \u0111\u1ed3ng b\u1ed9 h\u00f3a gi\u1eefa s\u01a1 \u0111\u1ed3 ER v\u00e0 s\u01a1 \u0111\u1ed3 l\u1edbp UML.<a href=\"https:\/\/www.visual-paradigm.com\/solution\/erd-diagram-tool\/\">\u0110\u1ecdc th\u00eam<\/a> <a class=\"mi-ref cursor-pointer align-super text-muted fade-in hover:underline\" data-state=\"closed\" href=\"https:\/\/www.visual-paradigm.com\/solution\/erd-diagram-tool\/\" rel=\"noopener\" target=\"_blank\">5<\/a>.<\/p>\n<\/li>\n<li>\n<p dir=\"auto\"><strong>C\u00f4ng c\u1ee5 s\u01a1 \u0111\u1ed3 quan h\u1ec7 th\u1ef1c th\u1ec3 mi\u1ec5n ph\u00ed<\/strong>: Visual Paradigm cung c\u1ea5p c\u00f4ng c\u1ee5 ERD mi\u1ec5n ph\u00ed h\u1ed7 tr\u1ee3 t\u1ea1o m\u00f4 h\u00ecnh d\u1eef li\u1ec7u v\u00e0 sinh l\u1edbp l\u01b0u tr\u1eef th\u1ef1c thi t\u1eeb c\u00e1c m\u00f4 h\u00ecnh. N\u00f3 c\u0169ng cho ph\u00e9p khai th\u00e1c ng\u01b0\u1ee3c c\u01a1 s\u1edf d\u1eef li\u1ec7u hi\u1ec7n c\u00f3 \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i ch\u00fang th\u00e0nh m\u00f4 h\u00ecnh \u0111\u1ed1i t\u01b0\u1ee3ng.<a href=\"https:\/\/www.visual-paradigm.com\/solution\/free-erd-tool\/\">\u0110\u1ecdc th\u00eam<\/a> <a class=\"mi-ref cursor-pointer align-super text-muted fade-in hover:underline\" data-state=\"closed\" href=\"https:\/\/www.visual-paradigm.com\/solution\/free-erd-tool\/\" rel=\"noopener\" target=\"_blank\">6<\/a>.<\/p>\n<\/li>\n<li>\n<p dir=\"auto\"><strong>M\u1eabu s\u01a1 \u0111\u1ed3 quan h\u1ec7 th\u1ef1c th\u1ec3<\/strong>: Visual Paradigm cung c\u1ea5p nhi\u1ec1u m\u1eabu ERD kh\u00e1c nhau \u0111\u1ec3 gi\u00fap b\u1ea1n b\u1eaft \u0111\u1ea7u thi\u1ebft k\u1ebf c\u01a1 s\u1edf d\u1eef li\u1ec7u c\u1ee7a m\u00ecnh. C\u00e1c m\u1eabu n\u00e0y bao g\u1ed3m c\u00e1c k\u00fd hi\u1ec7u v\u00e0 k\u1ebft n\u1ed1i c\u1ea7n thi\u1ebft \u0111\u1ec3 h\u00ecnh dung c\u00e1c th\u1ef1c th\u1ec3 v\u00e0 m\u1ed1i quan h\u1ec7 gi\u1eefa ch\u00fang.<a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/templates\/entity-relationship-diagram\/\">\u0110\u1ecdc th\u00eam<\/a> <a class=\"mi-ref cursor-pointer align-super text-muted fade-in hover:underline\" data-state=\"closed\" href=\"https:\/\/online.visual-paradigm.com\/diagrams\/templates\/entity-relationship-diagram\/\" rel=\"noopener\" target=\"_blank\">7<\/a>.<\/p>\n<\/li>\n<li>\n<p dir=\"auto\"><strong>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 t\u1ea1o s\u01a1 \u0111\u1ed3 l\u1edbp t\u1eeb ERD?<\/strong>: B\u00e0i h\u01b0\u1edbng d\u1eabn n\u00e0y gi\u1ea3i th\u00edch c\u00e1ch t\u1ea1o s\u01a1 \u0111\u1ed3 l\u1edbp UML t\u1eeb m\u1ed9t ERD trong Visual Paradigm. N\u00f3 bao g\u1ed3m c\u00e1c b\u01b0\u1edbc \u0111\u1ed3ng b\u1ed9 h\u00f3a m\u00f4 t\u1ea3 t\u1eeb m\u00f4 h\u00ecnh l\u1edbp sang m\u00f4 h\u00ecnh th\u1ef1c th\u1ec3 li\u00ean quan.<a href=\"https:\/\/www.visual-paradigm.com\/tutorials\/generatecdfromerd.jsp\">\u0110\u1ecdc th\u00eam<\/a> <a class=\"mi-ref cursor-pointer align-super text-muted fade-in hover:underline\" data-state=\"closed\" href=\"https:\/\/www.visual-paradigm.com\/tutorials\/generatecdfromerd.jsp\" rel=\"noopener\" target=\"_blank\">8<\/a>.<\/p>\n<\/li>\n<li>\n<p dir=\"auto\"><strong>L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 m\u00f4 h\u00ecnh h\u00f3a thi\u1ebft k\u1ebf c\u01a1 s\u1edf d\u1eef li\u1ec7u quan h\u1ec7 b\u1eb1ng ERD?<\/strong>: B\u00e0i h\u01b0\u1edbng d\u1eabn n\u00e0y cung c\u1ea5p h\u01b0\u1edbng d\u1eabn t\u1eebng b\u01b0\u1edbc v\u1ec1 vi\u1ec7c m\u00f4 h\u00ecnh h\u00f3a thi\u1ebft k\u1ebf c\u01a1 s\u1edf d\u1eef li\u1ec7u quan h\u1ec7 b\u1eb1ng ERD trong Visual Paradigm. N\u00f3 bao g\u1ed3m vi\u1ec7c t\u1ea1o d\u1ef1 \u00e1n m\u1edbi, thi\u1ebft l\u1eadp ERD v\u00e0 qu\u1ea3n l\u00fd c\u00e1c m\u1ed1i quan h\u1ec7 gi\u1eefa c\u00e1c th\u1ef1c th\u1ec3.<a href=\"https:\/\/www.visual-paradigm.com\/tutorials\/how-to-model-relational-database-with-erd.jsp\">\u0110\u1ecdc th\u00eam<\/a> <a class=\"mi-ref cursor-pointer align-super text-muted fade-in hover:underline\" data-state=\"closed\" href=\"https:\/\/www.visual-paradigm.com\/tutorials\/how-to-model-relational-database-with-erd.jsp\" rel=\"noopener\" target=\"_blank\">9<\/a>.<\/p>\n<\/li>\n<li>\n<p dir=\"auto\"><strong>S\u01a1 \u0111\u1ed3 quan h\u1ec7 th\u1ef1c th\u1ec3 \u2013 M\u00f4 h\u00ecnh h\u00f3a d\u1eef li\u1ec7u<\/strong>: Trang n\u00e0y th\u1ea3o lu\u1eadn v\u1ec1 c\u1ea5u tr\u00fac logic c\u1ee7a c\u01a1 s\u1edf d\u1eef li\u1ec7u nh\u01b0 \u0111\u01b0\u1ee3c minh h\u1ecda b\u1edfi ERD. N\u00f3 nh\u1ea5n m\u1ea1nh t\u1ea7m quan tr\u1ecdng c\u1ee7a ERD trong vi\u1ec7c tr\u1ef1c quan h\u00f3a t\u1ed5 ch\u1ee9c d\u1eef li\u1ec7u b\u00ean trong c\u01a1 s\u1edf d\u1eef li\u1ec7u ho\u1eb7c h\u1ec7 th\u1ed1ng th\u00f4ng tin.<a href=\"https:\/\/www.visual-paradigm.com\/VPGallery\/datamodeling\/EntityRelationshipDiagram.html\">\u0110\u1ecdc th\u00eam<\/a><\/p>\n<\/li>\n<\/ol>\n<div class=\"PBQZNIcKgp0FJ_yxBVaB\">\n<div class=\"ucB71mHYvyHsWKjYfYKI\">\n<div class=\"DDjJOsxcW6f8fPcDWaJx\">\n<div class=\"JrWQJZIYGnawLoKSzZsO\">\n<div class=\"VrBPSncUavA1d7C9kAc5\">\n<p>\u00a0<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>1. T\u1ed5ng quan S\u01a1 \u0111\u1ed3 l\u1edbp C\u00e1i g\u00ec: S\u01a1 \u0111\u1ed3 l\u1edbp l\u00e0 m\u1ed9t lo\u1ea1i s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac t\u0129nh trong Ng\u00f4n ng\u1eef m\u00f4 h\u00ecnh h\u00f3a th\u1ed1ng nh\u1ea5t (UML). N\u00f3 bi\u1ec3u di\u1ec5n c\u00e1c l\u1edbp, giao di\u1ec7n v\u00e0 c\u00e1c m\u1ed1i quan h\u1ec7 gi\u1eefa ch\u00fang (nh\u01b0 k\u1ebf th\u1eeba, li\u00ean k\u1ebft, k\u1ebft h\u1ee3p v\u00e0 t\u1ed5ng h\u1ee3p). Khi n\u00e0o: S\u1eed<\/p>\n<p><a href=\"https:\/\/catalystsolutions.corpwebz.com\/vn\/class-diagrams-vs-erds-a-comprehensive-guide-to-visual-modeling-with-visual-paradigm\/\" class=\"more-link themebutton\">Read More<\/a><\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"","_uag_custom_page_level_css":"","footnotes":""},"categories":[27],"tags":[],"class_list":["post-688","post","type-post","status-publish","format-standard","hentry","category-unified-modeling-languages"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.9 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>S\u01a1 \u0111\u1ed3 l\u1edbp so v\u1edbi ERD: H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n v\u1ec1 m\u00f4 h\u00ecnh h\u00f3a tr\u1ef1c quan v\u1edbi Visual Paradigm - Catalyst Solutions Vietnamese<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/catalystsolutions.corpwebz.com\/vn\/class-diagrams-vs-erds-a-comprehensive-guide-to-visual-modeling-with-visual-paradigm\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"S\u01a1 \u0111\u1ed3 l\u1edbp so v\u1edbi ERD: H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n v\u1ec1 m\u00f4 h\u00ecnh h\u00f3a tr\u1ef1c quan v\u1edbi Visual Paradigm - Catalyst Solutions Vietnamese\" \/>\n<meta property=\"og:description\" content=\"1. T\u1ed5ng quan S\u01a1 \u0111\u1ed3 l\u1edbp C\u00e1i g\u00ec: S\u01a1 \u0111\u1ed3 l\u1edbp l\u00e0 m\u1ed9t lo\u1ea1i s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac t\u0129nh trong Ng\u00f4n ng\u1eef m\u00f4 h\u00ecnh h\u00f3a th\u1ed1ng nh\u1ea5t (UML). N\u00f3 bi\u1ec3u di\u1ec5n c\u00e1c l\u1edbp, giao di\u1ec7n v\u00e0 c\u00e1c m\u1ed1i quan h\u1ec7 gi\u1eefa ch\u00fang (nh\u01b0 k\u1ebf th\u1eeba, li\u00ean k\u1ebft, k\u1ebft h\u1ee3p v\u00e0 t\u1ed5ng h\u1ee3p). Khi n\u00e0o: S\u1eedRead More\" \/>\n<meta property=\"og:url\" content=\"https:\/\/catalystsolutions.corpwebz.com\/vn\/class-diagrams-vs-erds-a-comprehensive-guide-to-visual-modeling-with-visual-paradigm\/\" \/>\n<meta property=\"og:site_name\" content=\"Catalyst Solutions Vietnamese\" \/>\n<meta property=\"article:published_time\" content=\"2026-03-04T14:52:15+00:00\" \/>\n<meta name=\"author\" content=\"curtis\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi\" \/>\n\t<meta name=\"twitter:data1\" content=\"curtis\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc\" \/>\n\t<meta name=\"twitter:data2\" content=\"7 ph\u00fat\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/catalystsolutions.corpwebz.com\/vn\/class-diagrams-vs-erds-a-comprehensive-guide-to-visual-modeling-with-visual-paradigm\/\",\"url\":\"https:\/\/catalystsolutions.corpwebz.com\/vn\/class-diagrams-vs-erds-a-comprehensive-guide-to-visual-modeling-with-visual-paradigm\/\",\"name\":\"S\u01a1 \u0111\u1ed3 l\u1edbp so v\u1edbi ERD: H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n v\u1ec1 m\u00f4 h\u00ecnh h\u00f3a tr\u1ef1c quan v\u1edbi Visual Paradigm - Catalyst Solutions Vietnamese\",\"isPartOf\":{\"@id\":\"https:\/\/catalystsolutions.corpwebz.com\/vn\/#website\"},\"datePublished\":\"2026-03-04T14:52:15+00:00\",\"dateModified\":\"2026-03-04T14:52:15+00:00\",\"author\":{\"@id\":\"https:\/\/catalystsolutions.corpwebz.com\/vn\/#\/schema\/person\/4331ac872d8774376e1c727248d6d75e\"},\"breadcrumb\":{\"@id\":\"https:\/\/catalystsolutions.corpwebz.com\/vn\/class-diagrams-vs-erds-a-comprehensive-guide-to-visual-modeling-with-visual-paradigm\/#breadcrumb\"},\"inLanguage\":\"vi\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/catalystsolutions.corpwebz.com\/vn\/class-diagrams-vs-erds-a-comprehensive-guide-to-visual-modeling-with-visual-paradigm\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/catalystsolutions.corpwebz.com\/vn\/class-diagrams-vs-erds-a-comprehensive-guide-to-visual-modeling-with-visual-paradigm\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/catalystsolutions.corpwebz.com\/vn\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"S\u01a1 \u0111\u1ed3 l\u1edbp so v\u1edbi ERD: H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n v\u1ec1 m\u00f4 h\u00ecnh h\u00f3a tr\u1ef1c quan v\u1edbi Visual Paradigm\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/catalystsolutions.corpwebz.com\/vn\/#website\",\"url\":\"https:\/\/catalystsolutions.corpwebz.com\/vn\/\",\"name\":\"Catalyst Solutions Vietnamese\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/catalystsolutions.corpwebz.com\/vn\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"vi\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/catalystsolutions.corpwebz.com\/vn\/#\/schema\/person\/4331ac872d8774376e1c727248d6d75e\",\"name\":\"curtis\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"vi\",\"@id\":\"https:\/\/catalystsolutions.corpwebz.com\/vn\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/6910084565fcc601ec03c6693bb8ea480c1e52ccaa0efb299eb038bb6a1edc87?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/6910084565fcc601ec03c6693bb8ea480c1e52ccaa0efb299eb038bb6a1edc87?s=96&d=mm&r=g\",\"caption\":\"curtis\"},\"url\":\"https:\/\/catalystsolutions.corpwebz.com\/vn\/author\/curtis\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"S\u01a1 \u0111\u1ed3 l\u1edbp so v\u1edbi ERD: H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n v\u1ec1 m\u00f4 h\u00ecnh h\u00f3a tr\u1ef1c quan v\u1edbi Visual Paradigm - Catalyst Solutions Vietnamese","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/catalystsolutions.corpwebz.com\/vn\/class-diagrams-vs-erds-a-comprehensive-guide-to-visual-modeling-with-visual-paradigm\/","og_locale":"vi_VN","og_type":"article","og_title":"S\u01a1 \u0111\u1ed3 l\u1edbp so v\u1edbi ERD: H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n v\u1ec1 m\u00f4 h\u00ecnh h\u00f3a tr\u1ef1c quan v\u1edbi Visual Paradigm - Catalyst Solutions Vietnamese","og_description":"1. T\u1ed5ng quan S\u01a1 \u0111\u1ed3 l\u1edbp C\u00e1i g\u00ec: S\u01a1 \u0111\u1ed3 l\u1edbp l\u00e0 m\u1ed9t lo\u1ea1i s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac t\u0129nh trong Ng\u00f4n ng\u1eef m\u00f4 h\u00ecnh h\u00f3a th\u1ed1ng nh\u1ea5t (UML). N\u00f3 bi\u1ec3u di\u1ec5n c\u00e1c l\u1edbp, giao di\u1ec7n v\u00e0 c\u00e1c m\u1ed1i quan h\u1ec7 gi\u1eefa ch\u00fang (nh\u01b0 k\u1ebf th\u1eeba, li\u00ean k\u1ebft, k\u1ebft h\u1ee3p v\u00e0 t\u1ed5ng h\u1ee3p). Khi n\u00e0o: S\u1eedRead More","og_url":"https:\/\/catalystsolutions.corpwebz.com\/vn\/class-diagrams-vs-erds-a-comprehensive-guide-to-visual-modeling-with-visual-paradigm\/","og_site_name":"Catalyst Solutions Vietnamese","article_published_time":"2026-03-04T14:52:15+00:00","author":"curtis","twitter_card":"summary_large_image","twitter_misc":{"\u0110\u01b0\u1ee3c vi\u1ebft b\u1edfi":"curtis","\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc":"7 ph\u00fat"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/catalystsolutions.corpwebz.com\/vn\/class-diagrams-vs-erds-a-comprehensive-guide-to-visual-modeling-with-visual-paradigm\/","url":"https:\/\/catalystsolutions.corpwebz.com\/vn\/class-diagrams-vs-erds-a-comprehensive-guide-to-visual-modeling-with-visual-paradigm\/","name":"S\u01a1 \u0111\u1ed3 l\u1edbp so v\u1edbi ERD: H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n v\u1ec1 m\u00f4 h\u00ecnh h\u00f3a tr\u1ef1c quan v\u1edbi Visual Paradigm - Catalyst Solutions Vietnamese","isPartOf":{"@id":"https:\/\/catalystsolutions.corpwebz.com\/vn\/#website"},"datePublished":"2026-03-04T14:52:15+00:00","dateModified":"2026-03-04T14:52:15+00:00","author":{"@id":"https:\/\/catalystsolutions.corpwebz.com\/vn\/#\/schema\/person\/4331ac872d8774376e1c727248d6d75e"},"breadcrumb":{"@id":"https:\/\/catalystsolutions.corpwebz.com\/vn\/class-diagrams-vs-erds-a-comprehensive-guide-to-visual-modeling-with-visual-paradigm\/#breadcrumb"},"inLanguage":"vi","potentialAction":[{"@type":"ReadAction","target":["https:\/\/catalystsolutions.corpwebz.com\/vn\/class-diagrams-vs-erds-a-comprehensive-guide-to-visual-modeling-with-visual-paradigm\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/catalystsolutions.corpwebz.com\/vn\/class-diagrams-vs-erds-a-comprehensive-guide-to-visual-modeling-with-visual-paradigm\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/catalystsolutions.corpwebz.com\/vn\/"},{"@type":"ListItem","position":2,"name":"S\u01a1 \u0111\u1ed3 l\u1edbp so v\u1edbi ERD: H\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n v\u1ec1 m\u00f4 h\u00ecnh h\u00f3a tr\u1ef1c quan v\u1edbi Visual Paradigm"}]},{"@type":"WebSite","@id":"https:\/\/catalystsolutions.corpwebz.com\/vn\/#website","url":"https:\/\/catalystsolutions.corpwebz.com\/vn\/","name":"Catalyst Solutions Vietnamese","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/catalystsolutions.corpwebz.com\/vn\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"vi"},{"@type":"Person","@id":"https:\/\/catalystsolutions.corpwebz.com\/vn\/#\/schema\/person\/4331ac872d8774376e1c727248d6d75e","name":"curtis","image":{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/catalystsolutions.corpwebz.com\/vn\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/6910084565fcc601ec03c6693bb8ea480c1e52ccaa0efb299eb038bb6a1edc87?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/6910084565fcc601ec03c6693bb8ea480c1e52ccaa0efb299eb038bb6a1edc87?s=96&d=mm&r=g","caption":"curtis"},"url":"https:\/\/catalystsolutions.corpwebz.com\/vn\/author\/curtis\/"}]}},"uagb_featured_image_src":{"full":false,"thumbnail":false,"medium":false,"medium_large":false,"large":false,"1536x1536":false,"2048x2048":false,"column1-1\/3":false,"column1-2\/3":false,"column1-1\/4":false,"column1-2\/5":false,"column2-1\/1":false,"column2-1\/2":false,"column2-2\/3":false,"column2-3\/5":false,"column3-1\/1":false,"column3-1\/2":false,"column3-1\/3":false,"column3-2\/3":false,"column4-1\/1":false,"column4-1\/2":false,"column4-2\/3":false},"uagb_author_info":{"display_name":"curtis","author_link":"https:\/\/catalystsolutions.corpwebz.com\/vn\/author\/curtis\/"},"uagb_comment_info":0,"uagb_excerpt":"1. T\u1ed5ng quan S\u01a1 \u0111\u1ed3 l\u1edbp C\u00e1i g\u00ec: S\u01a1 \u0111\u1ed3 l\u1edbp l\u00e0 m\u1ed9t lo\u1ea1i s\u01a1 \u0111\u1ed3 c\u1ea5u tr\u00fac t\u0129nh trong Ng\u00f4n ng\u1eef m\u00f4 h\u00ecnh h\u00f3a th\u1ed1ng nh\u1ea5t (UML). N\u00f3 bi\u1ec3u di\u1ec5n c\u00e1c l\u1edbp, giao di\u1ec7n v\u00e0 c\u00e1c m\u1ed1i quan h\u1ec7 gi\u1eefa ch\u00fang (nh\u01b0 k\u1ebf th\u1eeba, li\u00ean k\u1ebft, k\u1ebft h\u1ee3p v\u00e0 t\u1ed5ng h\u1ee3p). Khi n\u00e0o: S\u1eedRead&hellip;","_links":{"self":[{"href":"https:\/\/catalystsolutions.corpwebz.com\/vn\/wp-json\/wp\/v2\/posts\/688","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/catalystsolutions.corpwebz.com\/vn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/catalystsolutions.corpwebz.com\/vn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/catalystsolutions.corpwebz.com\/vn\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/catalystsolutions.corpwebz.com\/vn\/wp-json\/wp\/v2\/comments?post=688"}],"version-history":[{"count":0,"href":"https:\/\/catalystsolutions.corpwebz.com\/vn\/wp-json\/wp\/v2\/posts\/688\/revisions"}],"wp:attachment":[{"href":"https:\/\/catalystsolutions.corpwebz.com\/vn\/wp-json\/wp\/v2\/media?parent=688"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/catalystsolutions.corpwebz.com\/vn\/wp-json\/wp\/v2\/categories?post=688"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/catalystsolutions.corpwebz.com\/vn\/wp-json\/wp\/v2\/tags?post=688"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}