{"id":2110,"date":"2026-05-26T08:05:43","date_gmt":"2026-05-26T08:05:43","guid":{"rendered":"https:\/\/www.vpascode.com\/ja\/docs\/uncategorized\/mermaid-js-erd-syntax-guide\/"},"modified":"2026-05-26T08:05:43","modified_gmt":"2026-05-26T08:05:43","slug":"mermaid-js-erd-syntax-guide","status":"publish","type":"ld_docs","link":"https:\/\/www.vpascode.com\/ja\/docs\/vpascode-docs\/mermaid-js-erd-syntax-guide\/","title":{"rendered":"Mermaid.js ERD\u69cb\u6587\u30ac\u30a4\u30c9"},"content":{"rendered":"

\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u95a2\u4fc2\u56f3\uff08ERD\uff09\u3068\u306f\u4f55\u3067\u3059\u304b\uff1f<\/h2>\n

\u4e00\u7a2e\u306e\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u95a2\u4fc2\u56f3\uff08ERD\uff09<\/strong>\u306f\u3001\u95a2\u4fc2\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b9\u30ad\u30fc\u30de\u306e\u8a2d\u8a08\u3001\u6587\u66f8\u5316\u3001\u5206\u6790\u306b\u4f7f\u7528\u3055\u308c\u308b\u69cb\u9020\u7684\u306a\u30d6\u30eb\u30fc\u30d7\u30ea\u30f3\u30c8\u3067\u3059\u3002\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5185\u306e\u7279\u5b9a\u306e\u30c7\u30fc\u30bf\u30c6\u30fc\u30d6\u30eb\uff08\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\uff09\u3001\u305d\u306e\u30c6\u30fc\u30d6\u30eb\u5185\u306b\u30cd\u30b9\u30c8\u3055\u308c\u305f\u30ab\u30e9\u30e0\uff08\u5c5e\u6027\uff09\u3001\u305d\u3057\u3066\u305d\u308c\u3089\u3092\u7d50\u3073\u3064\u3051\u308b\u53c2\u7167\u6574\u5408\u6027\u30eb\u30fc\u30eb\u3092\u793a\u3057\u307e\u3059\u3002\u6a19\u6e96\u306e\u60c5\u5831\u5de5\u5b66\uff08IE\uff09\u8868\u8a18\u6cd5<\/strong>\u3092\u4f7f\u7528\u3057\u3066\u3001\u660e\u78ba\u306a\u30af\u30ed\u30a6\u30ba\u30d5\u30c3\u30c8\u8868\u8a18\u6cd5<\/strong>\u306e\u982d\u90e8\u3092\u7528\u3044\u3066\u3001\u30c7\u30fc\u30bf\u5236\u7d04\u304a\u3088\u3073\u8907\u6570\u30c6\u30fc\u30d6\u30eb\u9593\u306e\u4f9d\u5b58\u95a2\u4fc2\u3092\u793a\u3057\u307e\u3059\u3002<\/p>\n

\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067Mermaid.js<\/strong>\u3001\u751f\u7523\u7528\u30c6\u30fc\u30d6\u30eb\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3001\u30c7\u30fc\u30bf\u578b\u3001\u5916\u90e8\u30ad\u30fc\u63a5\u7d9a\u3092\u3001\u660e\u78ba\u3067\u5ba3\u8a00\u7684\u306a\u30c6\u30ad\u30b9\u30c8\u30d6\u30ed\u30c3\u30af\u3092\u4f7f\u3063\u3066\u5b9a\u7fa9\u3067\u304d\u307e\u3059\u3002\u30a8\u30f3\u30b8\u30f3\u306f\u8907\u6570\u30ab\u30e9\u30e0\u30ec\u30a4\u30a2\u30a6\u30c8\u30b3\u30f3\u30c6\u30ca\u306e\u30b5\u30a4\u30ba\u8abf\u6574\u3092\u81ea\u52d5\u7684\u306b\u884c\u3044\u3001\u30c6\u30ad\u30b9\u30c8\u30e9\u30d9\u30eb\u304c\u91cd\u8907\u3057\u306a\u3044\u3088\u3046\u306b\u63a5\u7d9a\u7dda\u3092\u30eb\u30fc\u30c6\u30a3\u30f3\u30b0\u3057\u307e\u3059\u3002<\/p>\n

\u30b3\u30a2\u69cb\u6587\u30ac\u30a4\u30c9\uff1a\u8981\u7d20\u3068\u69cb\u9020<\/h2>\n

Mermaid\u3067\u6709\u52b9\u3067\u5b8c\u5168\u306b\u5b9f\u884c\u53ef\u80fd\u306a\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b9\u30ad\u30fc\u30de\u3092\u69cb\u7bc9\u3059\u308b\u306b\u306f\u3001\u69cb\u9020\u7684\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u30d6\u30ed\u30c3\u30af\u3001\u30c7\u30fc\u30bf\u578b\u30de\u30c3\u30d4\u30f3\u30b0\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u30bf\u30b0\u3001\u304a\u3088\u3073\u57fa\u6570\u6f14\u7b97\u5b50\u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002<\/p>\n

1. \u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3068\u30c6\u30fc\u30d6\u30eb\u30ab\u30e9\u30e0\u306e\u5ba3\u8a00<\/h3>\n

1\u884c\u76ee\u306berDiagram<\/code>\u30ad\u30fc\u30ef\u30fc\u30c9\u3092\u4f7f\u7528\u3057\u3066ERD\u30ad\u30e3\u30f3\u30d0\u30b9\u3092\u521d\u671f\u5316\u3057\u307e\u3059\u3002\u30c6\u30fc\u30d6\u30eb\u3092\u5b9a\u7fa9\u3059\u308b\u306b\u306f\u3001\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u540d\u306e\u5f8c\u306b\u958b\u304d\u6ce2\u304b\u3063\u3053\u3092\u8a18\u8ff0\u3057\u3001\u30ab\u30e9\u30e0\u8a2d\u5b9a\u3092\u500b\u5225\u306e\u884c\u306b\u9806\u756a\u306b\u8a18\u8ff0\u3057\u307e\u3059\uff1a<\/p>\n

\n
\nMermaid<\/span>
\n
\n<\/path><\/path><\/svg>
\nVPasCode\u3067Mermaid\u3092\u7de8\u96c6<\/span>
\n<\/a>\n<\/div>\n
\n
\r\n
\r\n Mermaid<\/span>\r\n \r\n <\/path><\/path><\/svg>\r\n Edit Mermaid in VPasCode<\/span>\r\n <\/a>\r\n <\/div>\r\n
\r\n 
erDiagram\r\n    USERS {\r\n        int id\r\n        string email\r\n        timestamp created_at\r\n    }<\/code><\/pre>                <\/div>\r\n                
\r\n                    \r\n                        <\/path><\/path><\/svg>\r\n                        Edit Mermaid in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n
\n
\n<\/path><\/path><\/svg>
\nVPasCode\u3067Mermaid\u3092\u7de8\u96c6<\/span>
\n<\/a>\n<\/div>\n<\/div>\n
\"\"<\/p>\n
2. \u4e3b\u30ad\u30fc\u3001\u5916\u90e8\u30ad\u30fc\u3001\u30b3\u30e1\u30f3\u30c8\u306e\u30de\u30fc\u30af<\/h3>\n
Mermaid\u306eERD\u30a8\u30f3\u30b8\u30f3\u3067\u306f\u3001\u30ab\u30e9\u30e0\u540d\u3068\u30c7\u30fc\u30bf\u578b\u5b9a\u7fa9\u306e\u76f4\u5f8c\u306b\u69cb\u9020\u7684\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u30bf\u30b0\u3092\u5272\u308a\u5f53\u3066\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u307e\u305f\u3001\u30c0\u30d6\u30eb\u30af\u30a9\u30fc\u30c6\u30fc\u30b7\u30e7\u30f3\u3067\u56f2\u3080\u3053\u3068\u3067\u3001\u30ab\u30e9\u30e0\u306b\u30aa\u30d7\u30b7\u30e7\u30f3\u306e\u30c6\u30ad\u30b9\u30c8\u30b3\u30e1\u30f3\u30c8\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\uff1a<\/p>\n