{"version":"1.0","provider_name":"Viz Read Vietnamese - AI, Software &amp; Digital Insights","provider_url":"https:\/\/www.viz-read.com\/vi","author_name":"vpadmin","author_url":"https:\/\/www.viz-read.com\/vi\/author\/vpadmin\/","title":"H\u01b0\u1edbng d\u1eabn chu\u1ea9n h\u00f3a ERD: Khi n\u00e0o n\u00ean d\u1eebng l\u1ea1i ho\u1eb7c b\u1ecf chu\u1ea9n h\u00f3a \ud83d\uddc3\ufe0f","type":"rich","width":600,"height":338,"html":"<blockquote class=\"wp-embedded-content\" data-secret=\"t2gPKPYXfW\"><a href=\"https:\/\/www.viz-read.com\/vi\/erd-normalization-guide-when-to-stop-further\/\">S\u1ef1 Th\u1eadt V\u1ec1 Chu\u1ea9n H\u00f3a ERD: Khi N\u00e0o Th\u00ec D\u1eebng L\u1ea1i V\u00e0 Khi N\u00e0o Th\u00ec Ti\u1ebfn T\u1edbi H\u01a1n N\u1eefa<\/a><\/blockquote><iframe sandbox=\"allow-scripts\" security=\"restricted\" src=\"https:\/\/www.viz-read.com\/vi\/erd-normalization-guide-when-to-stop-further\/embed\/#?secret=t2gPKPYXfW\" width=\"600\" height=\"338\" title=\"&#8220;S\u1ef1 Th\u1eadt V\u1ec1 Chu\u1ea9n H\u00f3a ERD: Khi N\u00e0o Th\u00ec D\u1eebng L\u1ea1i V\u00e0 Khi N\u00e0o Th\u00ec Ti\u1ebfn T\u1edbi H\u01a1n N\u1eefa&#8221; &#8212; Viz Read Vietnamese - AI, Software &amp; Digital Insights\" data-secret=\"t2gPKPYXfW\" 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.viz-read.com\/vi\/wp-includes\/js\/wp-embed.min.js\n<\/script>\n","thumbnail_url":"https:\/\/www.viz-read.com\/vi\/wp-content\/uploads\/sites\/10\/2026\/03\/erd-normalization-decision-guide-infographic.jpg","thumbnail_width":1664,"thumbnail_height":928,"description":"M\u1ed9t h\u01b0\u1edbng d\u1eabn to\u00e0n di\u1ec7n v\u1ec1 chu\u1ea9n h\u00f3a ERD. H\u1ecdc c\u00e1ch khi n\u00e0o n\u00ean d\u1eebng chu\u1ea9n h\u00f3a v\u00e0 khi n\u00e0o n\u00ean b\u1ecf chu\u1ea9n h\u00f3a \u0111\u1ec3 \u0111\u1ea1t hi\u1ec7u su\u1ea5t v\u00e0 t\u00ednh to\u00e0n v\u1eb9n c\u01a1 s\u1edf d\u1eef li\u1ec7u t\u1ed1i \u01b0u."}