{"version":"1.0","provider_name":"Ez Knowledge Vietnamese - Latest in AI &amp; Software Innovation","provider_url":"https:\/\/www.ez-knowledge.com\/vi","author_name":"vpadmin","author_url":"https:\/\/www.ez-knowledge.com\/vi\/author\/vpadmin\/","title":"C\u00e1c quy t\u1eafc chu\u1ea9n h\u00f3a quan tr\u1ecdng d\u00e0nh cho c\u00e1c ki\u1ebfn tr\u00fac s\u01b0 d\u1eef li\u1ec7u \ud83c\udfdb\ufe0f","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"C2MTge083f\"><a href=\"https:\/\/www.ez-knowledge.com\/vi\/critical-normalization-rules-data-architects\/\">H\u01b0\u1edbng d\u1eabn ERD: C\u00e1c quy t\u1eafc chu\u1ea9n h\u00f3a quan tr\u1ecdng cho c\u00e1c ki\u1ebfn tr\u00fac s\u01b0 d\u1eef li\u1ec7u<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.ez-knowledge.com\/vi\/critical-normalization-rules-data-architects\/embed\/#?secret=C2MTge083f\" width=\"600\" height=\"338\" title=\"&#8220;H\u01b0\u1edbng d\u1eabn ERD: C\u00e1c quy t\u1eafc chu\u1ea9n h\u00f3a quan tr\u1ecdng cho c\u00e1c ki\u1ebfn tr\u00fac s\u01b0 d\u1eef li\u1ec7u&#8221; &#8212; Ez Knowledge Vietnamese - Latest in AI &amp; Software Innovation\" data-secret=\"C2MTge083f\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" class=\"wp-embedded-content\"><\/iframe><script>\n\/*! This file is auto-generated *\/\n!function(d,l){\"use strict\";l.querySelector&&d.addEventListener&&\"undefined\"!=typeof URL&&(d.wp=d.wp||{},d.wp.receiveEmbedMessage||(d.wp.receiveEmbedMessage=function(e){var t=e.data;if((t||t.secret||t.message||t.value)&&!\/[^a-zA-Z0-9]\/.test(t.secret)){for(var s,r,n,a=l.querySelectorAll('iframe[data-secret=\"'+t.secret+'\"]'),o=l.querySelectorAll('blockquote[data-secret=\"'+t.secret+'\"]'),c=new RegExp(\"^https?:$\",\"i\"),i=0;i<o.length;i++)o[i].style.display=\"none\";for(i=0;i<a.length;i++)s=a[i],e.source===s.contentWindow&&(s.removeAttribute(\"style\"),\"height\"===t.message?(1e3<(r=parseInt(t.value,10))?r=1e3:~~r<200&&(r=200),s.height=r):\"link\"===t.message&&(r=new URL(s.getAttribute(\"src\")),n=new URL(t.value),c.test(n.protocol))&&n.host===r.host&&l.activeElement===s&&(d.top.location.href=t.value))}},d.addEventListener(\"message\",d.wp.receiveEmbedMessage,!1),l.addEventListener(\"DOMContentLoaded\",function(){for(var e,t,s=l.querySelectorAll(\"iframe.wp-embedded-content\"),r=0;r<s.length;r++)(t=(e=s[r]).getAttribute(\"data-secret\"))||(t=Math.random().toString(36).substring(2,12),e.src+=\"#?secret=\"+t,e.setAttribute(\"data-secret\",t)),e.contentWindow.postMessage({message:\"ready\",secret:t},\"*\")},!1)))}(window,document);\n\/\/# sourceURL=https:\/\/www.ez-knowledge.com\/vi\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","thumbnail_url":"https:\/\/www.ez-knowledge.com\/vi\/wp-content\/uploads\/sites\/10\/2026\/03\/critical-normalization-rules-data-architects-infographic.jpg","thumbnail_width":1664,"thumbnail_height":928,"description":"C\u00e1c quy t\u1eafc chu\u1ea9n h\u00f3a thi\u1ebft y\u1ebfu d\u00e0nh cho c\u00e1c ki\u1ebfn tr\u00fac s\u01b0 d\u1eef li\u1ec7u thi\u1ebft k\u1ebf s\u01a1 \u0111\u1ed3 ERD. H\u1ecdc c\u00e1c quy t\u1eafc 1NF, 2NF, 3NF v\u00e0 khi n\u00e0o c\u1ea7n lo\u1ea1i b\u1ecf chu\u1ea9n h\u00f3a \u0111\u1ec3 c\u1ea3i thi\u1ec7n hi\u1ec7u su\u1ea5t m\u00e0 kh\u00f4ng l\u00e0m t\u1ed5n h\u1ea1i \u0111\u1ebfn t\u00ednh to\u00e0n v\u1eb9n."}