{"id":9421,"date":"2026-01-10T08:02:02","date_gmt":"2026-01-10T00:02:02","guid":{"rendered":"https:\/\/blog.visual-paradigm.com\/cn\/beginners-guide-to-entity-relationship-er-diagrams\/"},"modified":"2026-01-10T08:02:02","modified_gmt":"2026-01-10T00:02:02","slug":"beginners-guide-to-entity-relationship-er-diagrams","status":"publish","type":"post","link":"https:\/\/blog.visual-paradigm.com\/cn\/beginners-guide-to-entity-relationship-er-diagrams\/","title":{"rendered":"\u5b9e\u4f53\u5173\u7cfb\uff08ER\uff09\u56fe\u5165\u95e8\u6307\u5357"},"content":{"rendered":"<h2>\u7b80\u4ecb<\/h2>\n<p>\u5b9e\u4f53\u5173\u7cfb\uff08ER\uff09\u56fe\u662f\u6570\u636e\u5e93\u8bbe\u8ba1\u4e2d\u4e00\u79cd\u5f3a\u5927\u7684\u5de5\u5177\uff0c\u7528\u4e8e\u53ef\u89c6\u5316\u548c\u5efa\u6a21\u6570\u636e\u5e93\u7cfb\u7edf\u4e2d\u5b9e\u4f53\u4e4b\u95f4\u7684\u5173\u7cfb\u3002ER\u56fe\u6709\u52a9\u4e8e\u60a8\u7406\u89e3\u6570\u636e\u5e93\u7684\u7ed3\u6784\u4ee5\u53ca\u4e0d\u540c\u5b9e\u4f53\u4e4b\u95f4\u7684\u5173\u8054\u65b9\u5f0f\u3002\u672c\u5165\u95e8\u6307\u5357\u5c06\u5411\u60a8\u4ecb\u7ecdER\u56fe\u7684\u57fa\u672c\u77e5\u8bc6\uff0c\u5e76\u901a\u8fc7Visual Paradigm Online\uff08\u4e00\u6b3e\u6d41\u884c\u7684\u7ed8\u56fe\u5de5\u5177\uff09\u63d0\u4f9b\u7684\u5927\u91cf\u6a21\u677f\uff0c\u5c55\u793a\u5982\u4f55\u901a\u8fc7\u5b9e\u4f8b\u5b66\u4e60\u3002<\/p>\n<h2>1. \u4ec0\u4e48\u662fER\u56fe\uff1f<\/h2>\n<p>ER\u56fe\u662f\u6570\u636e\u5e93\u6a21\u5f0f\u7684\u53ef\u89c6\u5316\u8868\u793a\uff0c\u5c55\u793a\u4e86\u6570\u636e\u5e93\u4e2d\u7684\u5b9e\u4f53\u3001\u5c5e\u6027\u548c\u5173\u7cfb\u3002\u5b83\u6709\u52a9\u4e8e\u6570\u636e\u5e93\u8bbe\u8ba1\u4eba\u5458\u3001\u5f00\u53d1\u4eba\u5458\u548c\u5229\u76ca\u76f8\u5173\u8005\u7406\u89e3\u6570\u636e\u5e93\u7cfb\u7edf\u7684\u7ed3\u6784\u548c\u884c\u4e3a\u3002<\/p>\n<p><img alt=\"Online ERD Tool\" decoding=\"async\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2023\/09\/01-online-erd-tool.png\"\/><\/p>\n<h2>2. ER\u56fe\u7684\u7ec4\u6210\u90e8\u5206<\/h2>\n<p>ER\u56fe\u7531\u4ee5\u4e0b\u4e3b\u8981\u7ec4\u6210\u90e8\u5206\u6784\u6210\uff1a<\/p>\n<ul>\n<li><strong>\u5b9e\u4f53\uff1a<\/strong>\u8868\u793a\u73b0\u5b9e\u4e16\u754c\u4e2d\u7684\u5bf9\u8c61\u6216\u6982\u5ff5\uff0c\u4f8b\u5982\u5ba2\u6237\u3001\u4ea7\u54c1\u6216\u5458\u5de5\u3002<\/li>\n<li><strong>\u5c5e\u6027\uff1a<\/strong>\u63cf\u8ff0\u5b9e\u4f53\u7684\u5c5e\u6027\u6216\u7279\u5f81\uff0c\u4f8b\u5982\u5ba2\u6237\u7684\u59d3\u540d\u6216\u4ea7\u54c1\u7684\u4ef7\u683c\u3002<\/li>\n<li><strong>\u5173\u7cfb\uff1a<\/strong>\u5c55\u793a\u5b9e\u4f53\u4e4b\u95f4\u5982\u4f55\u8fde\u63a5\u6216\u76f8\u4e92\u5173\u8054\u3002<\/li>\n<\/ul>\n<h2>3. \u5b9e\u4f53\u7684\u7c7b\u578b<\/h2>\n<p>ER\u56fe\u4e2d\u6709\u4e09\u79cd\u4e3b\u8981\u7c7b\u578b\u7684\u5b9e\u4f53\uff1a<\/p>\n<ul>\n<li><strong>\u5f3a\u5b9e\u4f53\uff1a<\/strong>\u4e00\u79cd\u53ef\u4ee5\u72ec\u7acb\u5b58\u5728\u7684\u5b9e\u4f53\uff0c\u7528\u77e9\u5f62\u8868\u793a\u3002<\/li>\n<li><strong>\u5f31\u5b9e\u4f53\uff1a<\/strong>\u4e00\u79cd\u4f9d\u8d56\u4e8e\u53e6\u4e00\u4e2a\u5b9e\u4f53\uff08\u79f0\u4e3a\u7236\u5b9e\u4f53\uff09\u800c\u5b58\u5728\u7684\u5b9e\u4f53\uff0c\u7528\u53cc\u77e9\u5f62\u8868\u793a\u3002<\/li>\n<li><strong>\u5173\u8054\u5b9e\u4f53\uff1a<\/strong>\u4e00\u79cd\u7528\u4e8e\u8868\u793a\u4e24\u4e2a\u5176\u4ed6\u5b9e\u4f53\u4e4b\u95f4\u591a\u5bf9\u591a\u5173\u7cfb\u7684\u5b9e\u4f53\u3002<\/li>\n<\/ul>\n<h2>4. ER\u56fe\u4e2d\u7684\u5173\u7cfb<\/h2>\n<p>\u5173\u7cfb\u5b9a\u4e49\u4e86\u5b9e\u4f53\u4e4b\u95f4\u7684\u5173\u8054\u65b9\u5f0f\u3002\u5e38\u89c1\u7684\u5173\u7cfb\u7c7b\u578b\u5305\u62ec\uff1a<\/p>\n<ul>\n<li><strong>\u4e00\u5bf9\u4e00\uff081:1\uff09\uff1a<\/strong>\u4e00\u4e2a\u96c6\u5408\u4e2d\u7684\u5355\u4e2a\u5b9e\u4f53\u4e0e\u53e6\u4e00\u4e2a\u96c6\u5408\u4e2d\u7684\u5355\u4e2a\u5b9e\u4f53\u76f8\u5173\u8054\u3002<\/li>\n<li><strong>\u4e00\u5bf9\u591a\uff081:N\uff09\uff1a<\/strong>\u4e00\u4e2a\u96c6\u5408\u4e2d\u7684\u5355\u4e2a\u5b9e\u4f53\u4e0e\u53e6\u4e00\u4e2a\u96c6\u5408\u4e2d\u7684\u591a\u4e2a\u5b9e\u4f53\u76f8\u5173\u8054\u3002<\/li>\n<li><strong>\u591a\u5bf9\u4e00\uff08N:1\uff09\uff1a<\/strong>\u4e00\u4e2a\u96c6\u5408\u4e2d\u7684\u591a\u4e2a\u5b9e\u4f53\u4e0e\u53e6\u4e00\u4e2a\u96c6\u5408\u4e2d\u7684\u5355\u4e2a\u5b9e\u4f53\u76f8\u5173\u8054\u3002<\/li>\n<li><strong>\u591a\u5bf9\u591a\uff08N:N\uff09\uff1a<\/strong>\u4e00\u4e2a\u96c6\u5408\u4e2d\u7684\u591a\u4e2a\u5b9e\u4f53\u4e0e\u53e6\u4e00\u4e2a\u96c6\u5408\u4e2d\u7684\u591a\u4e2a\u5b9e\u4f53\u76f8\u5173\u8054\u3002<\/li>\n<\/ul>\n<h2>5. \u5c5e\u6027<\/h2>\n<p>\u5c5e\u6027\u4e3a\u5b9e\u4f53\u63d0\u4f9b\u989d\u5916\u4fe1\u606f\u3002\u5b83\u4eec\u53ef\u4ee5\u5206\u4e3a\u591a\u79cd\u7c7b\u578b\uff0c\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li><strong>\u7b80\u5355\u5c5e\u6027\uff1a<\/strong>\u8868\u793a\u5b9e\u4f53\u7684\u4e00\u4e2a\u5355\u4e00\u503c\u3002<\/li>\n<li><strong>\u590d\u5408\u5c5e\u6027\uff1a<\/strong>\u7531\u591a\u4e2a\u7b80\u5355\u5c5e\u6027\u7ec4\u6210\u3002<\/li>\n<li><strong>\u6d3e\u751f\u5c5e\u6027\uff1a<\/strong>\u53ef\u4ee5\u4ece\u5176\u4ed6\u5c5e\u6027\u8ba1\u7b97\u5f97\u51fa\u3002<\/li>\n<li><strong>\u591a\u503c\u5c5e\u6027\uff1a<\/strong>\u4e3a\u5355\u4e2a\u5b9e\u4f53\u4fdd\u5b58\u591a\u4e2a\u503c\u3002<\/li>\n<li><strong>\u952e\u5c5e\u6027\uff1a<\/strong>\u552f\u4e00\u6807\u8bc6\u5176\u96c6\u5408\u4e2d\u7684\u4e00\u4e2a\u5b9e\u4f53\u3002<\/li>\n<\/ul>\n<h2>6. \u57fa\u6570<\/h2>\n<p>\u57fa\u6570\u8868\u793a\u53c2\u4e0e\u5173\u7cfb\u7684\u5b9e\u4f53\u6570\u91cf\u3002\u5b83\u4ee5\u6700\u5c0f\u503c\u548c\u6700\u5927\u503c\u8868\u793a\uff0c\u901a\u5e38\u5199\u4f5c\uff08\u6700\u5c0f\u503c\uff0c\u6700\u5927\u503c\uff09\u3002<\/p>\n<h2>7. \u793a\u4f8b\u5b9e\u4f53\u5173\u7cfb\u56fe<\/h2>\n<p>\u8ba9\u6211\u4eec\u4e3a\u4e00\u4e2a\u56fe\u4e66\u9986\u7ba1\u7406\u7cfb\u7edf\u521b\u5efa\u4e00\u4e2a\u7b80\u5355\u7684\u5b9e\u4f53\u5173\u7cfb\u56fe\uff1a<\/p>\n<ul>\n<li>\u5b9e\u4f53\uff1a<code>\u56fe\u4e66<\/code>, <code>\u4f5c\u8005<\/code>, <code>\u56fe\u4e66\u9986<\/code>, <code>\u501f\u9605\u8005<\/code><\/li>\n<li>\u5173\u7cfb\uff1a<code>\u4f5c\u8005\u64b0\u5199\u56fe\u4e66<\/code>, <code>\u56fe\u4e66\u4f4d\u4e8e\u56fe\u4e66\u9986\u4e2d<\/code>, <code>\u501f\u6b3e\u4eba\u501f\u4e66<\/code><\/li>\n<\/ul>\n<h2>8. \u901a\u8fc7 Visual Paradigm Online \u6a21\u677f\u5b66\u4e60<\/h2>\n<p><a href=\"http:\/\/online.visual-paradigm.com\">Visual Paradigm Online<\/a> \u63d0\u4f9b\u5927\u91cf<a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/templates\/entity-relationship-diagram\/data-field-entity-relationship-diagram\/\">ER \u56fe\u6a21\u677f<\/a> \u5e2e\u52a9\u60a8\u901a\u8fc7\u5b9e\u4f8b\u5b66\u4e60\u3002\u4ee5\u4e0b\u662f\u5f00\u59cb\u7684\u65b9\u6cd5\uff1a<\/p>\n<p id=\"CfFgEwc\"><img alt=\"\" class=\"alignnone size-full wp-image-20438\" decoding=\"async\" height=\"465\" loading=\"lazy\" sizes=\"auto, (max-width: 1121px) 100vw, 1121px\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2023\/09\/img_650bd238d03c8.png\" srcset=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2023\/09\/img_650bd238d03c8.png 1121w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2023\/09\/img_650bd238d03c8-300x124.png 300w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2023\/09\/img_650bd238d03c8-1030x427.png 1030w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2023\/09\/img_650bd238d03c8-768x319.png 768w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2023\/09\/img_650bd238d03c8-150x62.png 150w, https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2023\/09\/img_650bd238d03c8-400x166.png 400w\" width=\"1121\"\/><\/p>\n<ol>\n<li><strong>\u6ce8\u518c\uff1a<\/strong> \u5728 Visual Paradigm Online \u4e0a\u521b\u5efa\u4e00\u4e2a\u514d\u8d39\u8d26\u6237\u3002<\/li>\n<li><strong>\u9009\u62e9\u4e00\u4e2a\u6a21\u677f\uff1a<\/strong> \u6d4f\u89c8\u6a21\u677f\u5e93\u4e2d\u7684 ER \u56fe\u793a\u4f8b\u3002\u60a8\u53ef\u4ee5\u627e\u5230\u9500\u552e\u3001\u5e93\u5b58\u7b49\u5404\u79cd\u9886\u57df\u7684\u6a21\u677f\u3002<\/li>\n<li><strong>\u81ea\u5b9a\u4e49\uff1a<\/strong> \u9009\u62e9\u4e00\u4e2a\u9002\u5408\u60a8\u9700\u6c42\u7684\u6a21\u677f\uff0c\u5e76\u901a\u8fc7\u6dfb\u52a0\u6216\u4fee\u6539\u5b9e\u4f53\u3001\u5c5e\u6027\u548c\u5173\u7cfb\u6765\u5bf9\u5176\u8fdb\u884c\u81ea\u5b9a\u4e49\u3002<\/li>\n<li><strong>\u5b66\u4e60\uff1a<\/strong> \u7814\u7a76\u56fe\u8868\u7684\u7ed3\u6784\u4ee5\u53ca\u5b9e\u4f53\u4e4b\u95f4\u7684\u5173\u7cfb\u3002\u6ce8\u610f\u5c5e\u6027\u5b9a\u4e49\u548c\u57fa\u6570\u3002<\/li>\n<li><strong>\u7ec3\u4e60\uff1a<\/strong> \u5c1d\u8bd5\u6839\u636e\u60a8\u4ece\u6a21\u677f\u4e2d\u5b66\u5230\u7684\u5185\u5bb9\uff0c\u4ece\u96f6\u5f00\u59cb\u521b\u5efa\u81ea\u5df1\u7684 ER \u56fe\u3002<\/li>\n<\/ol>\n<h2>9. \u7ed3\u8bba<\/h2>\n<p>\u5b9e\u4f53-\u5173\u7cfb\uff08ER\uff09\u56fe\u5bf9\u4e8e\u6570\u636e\u5e93\u8bbe\u8ba1\u4ee5\u53ca\u7406\u89e3\u6570\u636e\u5b9e\u4f53\u4e4b\u95f4\u7684\u5173\u7cfb\u81f3\u5173\u91cd\u8981\u3002Visual Paradigm Online \u901a\u8fc7\u5176\u4e30\u5bcc\u7684\u6a21\u677f\u5e93\uff0c\u4e3a\u5b66\u4e60 ER \u56fe\u6982\u5ff5\u63d0\u4f9b\u4e86\u4fbf\u6377\u7684\u65b9\u5f0f\u3002\u4ece\u6d4f\u89c8\u6a21\u677f\u5f00\u59cb\uff0c\u81ea\u5b9a\u4e49\u5b83\u4eec\uff0c\u7136\u540e\u7ec3\u4e60\u521b\u5efa\u81ea\u5df1\u7684 ER \u56fe\uff0c\u4ee5\u63d0\u5347\u6570\u636e\u5e93\u5efa\u6a21\u6280\u80fd\u3002\u901a\u8fc7\u4e0d\u65ad\u7ec3\u4e60\uff0c\u60a8\u5c06\u80fd\u591f\u719f\u7ec3\u8bbe\u8ba1\u51fa\u9ad8\u6548\u4e14\u6709\u6548\u7684\u6570\u636e\u5e93\u7cfb\u7edf\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u7b80\u4ecb \u5b9e\u4f53\u5173\u7cfb\uff08ER\uff09\u56fe\u662f\u6570\u636e\u5e93\u8bbe\u8ba1\u4e2d\u4e00\u79cd\u5f3a\u5927\u7684\u5de5\u5177\uff0c\u7528\u4e8e\u53ef\u89c6\u5316\u548c\u5efa\u6a21\u6570\u636e\u5e93\u7cfb\u7edf\u4e2d\u5b9e\u4f53\u4e4b\u95f4\u7684\u5173\u7cfb\u3002ER\u56fe\u6709\u52a9\u4e8e [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":9422,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_lmt_disableupdate":"no","_lmt_disable":"","footnotes":""},"categories":[42],"tags":[],"class_list":["post-9421","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-online-diagram","loop-entry","clr"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u5b9e\u4f53\u5173\u7cfb\uff08ER\uff09\u56fe\u5165\u95e8\u6307\u5357 - Visual Paradigm \u535a\u5ba2<\/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:\/\/blog.visual-paradigm.com\/cn\/beginners-guide-to-entity-relationship-er-diagrams\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u5b9e\u4f53\u5173\u7cfb\uff08ER\uff09\u56fe\u5165\u95e8\u6307\u5357 - Visual Paradigm \u535a\u5ba2\" \/>\n<meta property=\"og:description\" content=\"\u7b80\u4ecb \u5b9e\u4f53\u5173\u7cfb\uff08ER\uff09\u56fe\u662f\u6570\u636e\u5e93\u8bbe\u8ba1\u4e2d\u4e00\u79cd\u5f3a\u5927\u7684\u5de5\u5177\uff0c\u7528\u4e8e\u53ef\u89c6\u5316\u548c\u5efa\u6a21\u6570\u636e\u5e93\u7cfb\u7edf\u4e2d\u5b9e\u4f53\u4e4b\u95f4\u7684\u5173\u7cfb\u3002ER\u56fe\u6709\u52a9\u4e8e [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/blog.visual-paradigm.com\/cn\/beginners-guide-to-entity-relationship-er-diagrams\/\" \/>\n<meta property=\"og:site_name\" content=\"Visual Paradigm \u535a\u5ba2\" \/>\n<meta property=\"article:published_time\" content=\"2026-01-10T00:02:02+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/blog.visual-paradigm.com\/cn\/wp-content\/uploads\/sites\/5\/2026\/01\/img_650bd238d03c8.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1121\" \/>\n\t<meta property=\"og:image:height\" content=\"465\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"Admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/blog.visual-paradigm.com\/cn\/beginners-guide-to-entity-relationship-er-diagrams\/\",\"url\":\"https:\/\/blog.visual-paradigm.com\/cn\/beginners-guide-to-entity-relationship-er-diagrams\/\",\"name\":\"\u5b9e\u4f53\u5173\u7cfb\uff08ER\uff09\u56fe\u5165\u95e8\u6307\u5357 - Visual Paradigm \u535a\u5ba2\",\"isPartOf\":{\"@id\":\"https:\/\/blog.visual-paradigm.com\/cn\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/blog.visual-paradigm.com\/cn\/beginners-guide-to-entity-relationship-er-diagrams\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/blog.visual-paradigm.com\/cn\/beginners-guide-to-entity-relationship-er-diagrams\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/blog.visual-paradigm.com\/cn\/wp-content\/uploads\/sites\/5\/2026\/01\/img_650bd238d03c8.png\",\"datePublished\":\"2026-01-10T00:02:02+00:00\",\"dateModified\":\"2026-01-10T00:02:02+00:00\",\"author\":{\"@id\":\"https:\/\/blog.visual-paradigm.com\/cn\/#\/schema\/person\/a649c442f11a53040710ddec750926c6\"},\"breadcrumb\":{\"@id\":\"https:\/\/blog.visual-paradigm.com\/cn\/beginners-guide-to-entity-relationship-er-diagrams\/#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/blog.visual-paradigm.com\/cn\/beginners-guide-to-entity-relationship-er-diagrams\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/blog.visual-paradigm.com\/cn\/beginners-guide-to-entity-relationship-er-diagrams\/#primaryimage\",\"url\":\"https:\/\/blog.visual-paradigm.com\/cn\/wp-content\/uploads\/sites\/5\/2026\/01\/img_650bd238d03c8.png\",\"contentUrl\":\"https:\/\/blog.visual-paradigm.com\/cn\/wp-content\/uploads\/sites\/5\/2026\/01\/img_650bd238d03c8.png\",\"width\":1121,\"height\":465},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/blog.visual-paradigm.com\/cn\/beginners-guide-to-entity-relationship-er-diagrams\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/blog.visual-paradigm.com\/cn\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u5b9e\u4f53\u5173\u7cfb\uff08ER\uff09\u56fe\u5165\u95e8\u6307\u5357\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/blog.visual-paradigm.com\/cn\/#website\",\"url\":\"https:\/\/blog.visual-paradigm.com\/cn\/\",\"name\":\"Visual Paradigm \u535a\u5ba2\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/blog.visual-paradigm.com\/cn\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"zh-Hans\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/blog.visual-paradigm.com\/cn\/#\/schema\/person\/a649c442f11a53040710ddec750926c6\",\"name\":\"Admin\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"zh-Hans\",\"@id\":\"https:\/\/blog.visual-paradigm.com\/cn\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/6b756c36f5e9132f6067fb4d22bef2e3?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/6b756c36f5e9132f6067fb4d22bef2e3?s=96&d=mm&r=g\",\"caption\":\"Admin\"},\"url\":\"https:\/\/blog.visual-paradigm.com\/cn\/author\/vpadminuser\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"\u5b9e\u4f53\u5173\u7cfb\uff08ER\uff09\u56fe\u5165\u95e8\u6307\u5357 - Visual Paradigm \u535a\u5ba2","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:\/\/blog.visual-paradigm.com\/cn\/beginners-guide-to-entity-relationship-er-diagrams\/","og_locale":"zh_CN","og_type":"article","og_title":"\u5b9e\u4f53\u5173\u7cfb\uff08ER\uff09\u56fe\u5165\u95e8\u6307\u5357 - Visual Paradigm \u535a\u5ba2","og_description":"\u7b80\u4ecb \u5b9e\u4f53\u5173\u7cfb\uff08ER\uff09\u56fe\u662f\u6570\u636e\u5e93\u8bbe\u8ba1\u4e2d\u4e00\u79cd\u5f3a\u5927\u7684\u5de5\u5177\uff0c\u7528\u4e8e\u53ef\u89c6\u5316\u548c\u5efa\u6a21\u6570\u636e\u5e93\u7cfb\u7edf\u4e2d\u5b9e\u4f53\u4e4b\u95f4\u7684\u5173\u7cfb\u3002ER\u56fe\u6709\u52a9\u4e8e [&hellip;]","og_url":"https:\/\/blog.visual-paradigm.com\/cn\/beginners-guide-to-entity-relationship-er-diagrams\/","og_site_name":"Visual Paradigm \u535a\u5ba2","article_published_time":"2026-01-10T00:02:02+00:00","og_image":[{"width":1121,"height":465,"url":"https:\/\/blog.visual-paradigm.com\/cn\/wp-content\/uploads\/sites\/5\/2026\/01\/img_650bd238d03c8.png","type":"image\/png"}],"author":"Admin","twitter_card":"summary_large_image","twitter_misc":{"\u4f5c\u8005":"Admin","\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4":"4 \u5206"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/blog.visual-paradigm.com\/cn\/beginners-guide-to-entity-relationship-er-diagrams\/","url":"https:\/\/blog.visual-paradigm.com\/cn\/beginners-guide-to-entity-relationship-er-diagrams\/","name":"\u5b9e\u4f53\u5173\u7cfb\uff08ER\uff09\u56fe\u5165\u95e8\u6307\u5357 - Visual Paradigm \u535a\u5ba2","isPartOf":{"@id":"https:\/\/blog.visual-paradigm.com\/cn\/#website"},"primaryImageOfPage":{"@id":"https:\/\/blog.visual-paradigm.com\/cn\/beginners-guide-to-entity-relationship-er-diagrams\/#primaryimage"},"image":{"@id":"https:\/\/blog.visual-paradigm.com\/cn\/beginners-guide-to-entity-relationship-er-diagrams\/#primaryimage"},"thumbnailUrl":"https:\/\/blog.visual-paradigm.com\/cn\/wp-content\/uploads\/sites\/5\/2026\/01\/img_650bd238d03c8.png","datePublished":"2026-01-10T00:02:02+00:00","dateModified":"2026-01-10T00:02:02+00:00","author":{"@id":"https:\/\/blog.visual-paradigm.com\/cn\/#\/schema\/person\/a649c442f11a53040710ddec750926c6"},"breadcrumb":{"@id":"https:\/\/blog.visual-paradigm.com\/cn\/beginners-guide-to-entity-relationship-er-diagrams\/#breadcrumb"},"inLanguage":"zh-Hans","potentialAction":[{"@type":"ReadAction","target":["https:\/\/blog.visual-paradigm.com\/cn\/beginners-guide-to-entity-relationship-er-diagrams\/"]}]},{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/blog.visual-paradigm.com\/cn\/beginners-guide-to-entity-relationship-er-diagrams\/#primaryimage","url":"https:\/\/blog.visual-paradigm.com\/cn\/wp-content\/uploads\/sites\/5\/2026\/01\/img_650bd238d03c8.png","contentUrl":"https:\/\/blog.visual-paradigm.com\/cn\/wp-content\/uploads\/sites\/5\/2026\/01\/img_650bd238d03c8.png","width":1121,"height":465},{"@type":"BreadcrumbList","@id":"https:\/\/blog.visual-paradigm.com\/cn\/beginners-guide-to-entity-relationship-er-diagrams\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/blog.visual-paradigm.com\/cn\/"},{"@type":"ListItem","position":2,"name":"\u5b9e\u4f53\u5173\u7cfb\uff08ER\uff09\u56fe\u5165\u95e8\u6307\u5357"}]},{"@type":"WebSite","@id":"https:\/\/blog.visual-paradigm.com\/cn\/#website","url":"https:\/\/blog.visual-paradigm.com\/cn\/","name":"Visual Paradigm \u535a\u5ba2","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/blog.visual-paradigm.com\/cn\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"zh-Hans"},{"@type":"Person","@id":"https:\/\/blog.visual-paradigm.com\/cn\/#\/schema\/person\/a649c442f11a53040710ddec750926c6","name":"Admin","image":{"@type":"ImageObject","inLanguage":"zh-Hans","@id":"https:\/\/blog.visual-paradigm.com\/cn\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/6b756c36f5e9132f6067fb4d22bef2e3?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/6b756c36f5e9132f6067fb4d22bef2e3?s=96&d=mm&r=g","caption":"Admin"},"url":"https:\/\/blog.visual-paradigm.com\/cn\/author\/vpadminuser\/"}]}},"modified_by":"Admin","_links":{"self":[{"href":"https:\/\/blog.visual-paradigm.com\/cn\/wp-json\/wp\/v2\/posts\/9421","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.visual-paradigm.com\/cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.visual-paradigm.com\/cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.visual-paradigm.com\/cn\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.visual-paradigm.com\/cn\/wp-json\/wp\/v2\/comments?post=9421"}],"version-history":[{"count":0,"href":"https:\/\/blog.visual-paradigm.com\/cn\/wp-json\/wp\/v2\/posts\/9421\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.visual-paradigm.com\/cn\/wp-json\/wp\/v2\/media\/9422"}],"wp:attachment":[{"href":"https:\/\/blog.visual-paradigm.com\/cn\/wp-json\/wp\/v2\/media?parent=9421"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.visual-paradigm.com\/cn\/wp-json\/wp\/v2\/categories?post=9421"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.visual-paradigm.com\/cn\/wp-json\/wp\/v2\/tags?post=9421"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}