{"id":2120,"date":"2026-05-26T07:38:24","date_gmt":"2026-05-26T07:38:24","guid":{"rendered":"https:\/\/www.vpascode.com\/ja\/docs\/uncategorized\/plantuml-erd-syntax-guide\/"},"modified":"2026-05-26T07:38:24","modified_gmt":"2026-05-26T07:38:24","slug":"plantuml-erd-syntax-guide","status":"publish","type":"ld_docs","link":"https:\/\/www.vpascode.com\/ja\/docs\/vpascode-docs\/plantuml-erd-syntax-guide\/","title":{"rendered":"PlantUML 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

\u300c\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u95a2\u4fc2\u56f3\uff08ERD\uff09<\/strong>\u306f\u3001\u95a2\u4fc2\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\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\u30b7\u30b9\u30c6\u30e0\u5185\u306e\u30c6\u30fc\u30d6\u30eb\uff08\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\uff09\u3001\u305d\u308c\u3089\u304c\u542b\u3080\u7279\u5b9a\u306e\u5217\uff08\u5c5e\u6027\uff09\u3001\u304a\u3088\u3073\u305d\u308c\u3089\u306e\u30c6\u30fc\u30d6\u30eb\u304c\u3069\u306e\u3088\u3046\u306b\u30ea\u30f3\u30af\u3055\u308c\u3066\u3044\u308b\u304b\u3092\u53ef\u8996\u5316\u3057\u307e\u3059\u3002PlantUML\u3067\u306f\u3001ERD\u306f\u300c\u60c5\u5831\u5de5\u5b66\uff08IE\uff09\u8868\u8a18\u6cd5<\/strong>\u300d\u3092\u4f7f\u7528\u3057\u3066\u4f5c\u6210\u3055\u308c\u3001\u6a19\u6e96\u306e\u30af\u30ed\u30a6\u30ba\u30d5\u30c3\u30c8\u8868\u8a18\u6cd5<\/strong>\u3092\u7528\u3044\u3066\u95a2\u4fc2\u5236\u7d04\u3092\u8868\u73fe\u3057\u307e\u3059\u3002<\/p>\n

\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\u306e\u30c7\u30fc\u30bf\u30b9\u30c8\u30a2\u3092\u8a2d\u8a08\u3057\u3066\u3044\u308b\u5834\u5408\u3001SQL\u306e\u7d50\u5408\u30d1\u30b9\u3092\u6700\u9069\u5316\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u307e\u305f\u306f\u4f01\u696d\u5168\u4f53\u306e\u30c7\u30fc\u30bf\u30a6\u30a7\u30a2\u30cf\u30a6\u30b9\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3092\u30de\u30c3\u30d4\u30f3\u30b0\u3057\u3066\u3044\u308b\u5834\u5408\u3001\u30c6\u30ad\u30b9\u30c8\u99c6\u52d5\u578b\u306eUML ERD\u306b\u3088\u308a\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30b9\u30ad\u30fc\u30de\u304c\u5b8c\u5168\u306b\u660e\u78ba\u306b\u306a\u308a\u307e\u3059\u3002VPasCode<\/strong>\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u660e\u5feb\u3067\u5ba3\u8a00\u7684\u306a\u69cb\u6587\u3067\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30c6\u30fc\u30d6\u30eb\u3001\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u30ad\u30fc\u3001\u8ad6\u7406\u95a2\u4fc2\u3092\u5b9a\u7fa9\u3067\u304d\u307e\u3059\u3002\u30a8\u30f3\u30b8\u30f3\u306f\u30c6\u30fc\u30d6\u30eb\u30dc\u30c3\u30af\u30b9\u306e\u30b5\u30a4\u30ba\u8abf\u6574\u3092\u81ea\u52d5\u7684\u306b\u884c\u3044\u3001\u91cd\u8907\u3059\u308b\u30ec\u30a4\u30a2\u30a6\u30c8\u7dda\u306a\u3057\u306b\u5916\u90e8\u30ad\u30fc\u63a5\u7d9a\u6587\u5b57\u5217\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

PlantUML\u3067\u5805\u7262\u306aIE\u30b9\u30bf\u30a4\u30eb\u306eERD\u3092\u69cb\u7bc9\u3059\u308b\u306b\u306f\u3001\u69cb\u9020\u5316\u3055\u308c\u305f\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u30d6\u30ed\u30c3\u30af\u3001\u660e\u78ba\u306a\u30ad\u30fc\u6307\u5b9a\u3001\u30af\u30ed\u30a6\u30ba\u30d5\u30c3\u30c8\u306e\u57fa\u6570\u4fee\u98fe\u5b50\u306b\u4f9d\u5b58\u3057\u307e\u3059\u3002<\/p>\n

1. \u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\uff08\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30c6\u30fc\u30d6\u30eb\uff09\u306e\u5ba3\u8a00<\/h3>\n

\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u30c6\u30fc\u30d6\u30eb\u306f\u300centity<\/code>\u300d\u30ad\u30fc\u30ef\u30fc\u30c9\u3067\u5ba3\u8a00\u3057\u307e\u3059\u3002\u305d\u306e\u5f8c\u306b\u30c6\u30fc\u30d6\u30eb\u540d\u3068\u6ce2\u304b\u3063\u3053\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002\u6ce2\u304b\u3063\u3053\u5185\u306b\u306f\u30c6\u30fc\u30d6\u30eb\u306e\u5217\u3092\u8a18\u8ff0\u3057\u307e\u3059\u3002\u30b9\u30ad\u30fc\u30de\u3092\u660e\u78ba\u304b\u3064\u8aad\u307f\u3084\u3059\u304f\u3059\u308b\u305f\u3081\u3001\u6c34\u5e73\u7dda\u30bb\u30d1\u30ec\u30fc\u30bf\uff08--<\/code>\uff09\u3092\u4f7f\u7528\u3057\u3066\u3001\u4e3b\u30ad\u30fc\uff0f\u5916\u90e8\u30ad\u30fc\u3068\u901a\u5e38\u306e\u30c7\u30fc\u30bf\u5c5e\u6027\u3092\u5206\u96e2\u3057\u3066\u304f\u3060\u3055\u3044\uff1a<\/p>\n

\n
\nPlantuml<\/span>
\n
\n<\/path><\/path><\/svg>
\nVPasCode\u3067Plantuml\u3092\u7de8\u96c6<\/span>
\n<\/a>\n<\/div>\n
\n
\r\n
\r\n Plantuml<\/span>\r\n \r\n <\/path><\/path><\/svg>\r\n Edit Plantuml in VPasCode<\/span>\r\n <\/a>\r\n <\/div>\r\n
\r\n 
entity \"users\" as users_table {\r\n    id : INT [PK]\r\n    --\r\n    email : VARCHAR(255)\r\n    created_at : TIMESTAMP\r\n}<\/code><\/pre>                <\/div>\r\n                
\r\n                    \r\n                        <\/path><\/path><\/svg>\r\n                        Edit Plantuml in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n
\n
\n<\/path><\/path><\/svg>
\nVPasCode\u3067Plantuml\u3092\u7de8\u96c6<\/span>
\n<\/a>\n<\/div>\n<\/div>\n
\"\"<\/p>\n
2. \u4e3b\u30ad\u30fc\u304a\u3088\u3073\u5916\u90e8\u30ad\u30fc\u306e\u6307\u5b9a<\/h3>\n
\u30c6\u30ad\u30b9\u30c8\u306b\u3088\u308b\u30a4\u30f3\u30b8\u30b1\u30fc\u30bf\uff08\u4f8b\uff1a[PK]\u3084[FK]\uff09\u306f\u5341\u5206\u306b\u6a5f\u80fd\u3057\u307e\u3059\u304c\u3001PlantUML\u306eIE\u30a8\u30f3\u30b8\u30f3\u306f\u8996\u899a\u7684\u306a\u30ad\u30fc\u30a4\u30f3\u30b8\u30b1\u30fc\u30bf\u3082\u30b5\u30dd\u30fc\u30c8\u3057\u3066\u3044\u307e\u3059\u3002\u5c5e\u6027\u306e\u524d\u306b\u30a2\u30b9\u30bf\u30ea\u30b9\u30af\uff08*<\/code>\uff09\u3092\u914d\u7f6e\u3059\u308b\u3068\u3001\u305d\u306e\u5217\u304c**\u5fc5\u9808\uff08null\u4e0d\u53ef\uff09**\u3067\u3042\u308b\u3053\u3068\u3092\u793a\u3057\u307e\u3059\u3002\u4e00\u65b9\u3001\u660e\u78ba\u306a\u30c6\u30ad\u30b9\u30c8\u6587\u5b57\u5217\u307e\u305f\u306f\u30bf\u30b0\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u3067\u3001\u660e\u793a\u7684\u306a\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u3092\u8ffd\u52a0\u3067\u304d\u307e\u3059\uff1a<\/p>\n
\n
\nPlantuml<\/span>
\n
\n<\/path><\/path><\/svg>
\nVPasCode\u3067Plantuml\u3092\u7de8\u96c6<\/span>
\n<\/a>\n<\/div>\n
\n            
\r\n                                
\r\n                    Plantuml<\/span>\r\n                    \r\n                        <\/path><\/path><\/svg>\r\n                        Edit Plantuml in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n                                
\r\n                    
\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3 \"orders\" {\r\n    * id : INT <<PK>>\r\n    --\r\n    * user_id : INT <<FK>>\r\n    discount_code : VARCHAR(50)\r\n}<\/code><\/pre>                <\/div>\r\n                
\r\n                    \r\n                        <\/path><\/path><\/svg>\r\n                        Edit Plantuml in VPasCode<\/span>\r\n                    <\/a>\r\n                <\/div>\r\n            <\/div>\r\n            \n<\/p><\/div>\n
\n
\n<\/path><\/path><\/svg>
\nVPasCode\u3067PlantUML\u3092\u7de8\u96c6<\/span>
\n<\/a>\n<\/div>\n<\/div>\n
\"\"<\/p>\n
3. \u30af\u30ed\u30a6\u30ba\u30d5\u30c3\u30c8\u306e\u57fa\u6570\u3068\u95a2\u4fc2\u306e\u30de\u30c3\u30d4\u30f3\u30b0<\/h3>\n
\u30c6\u30fc\u30d6\u30eb\u3092\u63a5\u7d9a\u3057\u53c2\u7167\u6574\u5408\u6027\u5236\u7d04\u3092\u5f37\u5236\u3059\u308b\u305f\u3081\u306b\u3001\u30c0\u30c3\u30b7\u30e5\u3001\u62ec\u5f27\u3001\u30d1\u30a4\u30d7\u6587\u5b57\u306e\u7d44\u307f\u5408\u308f\u305b\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002IE\u8868\u8a18\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u8a18\u53f7\u304c\u7570\u306a\u308b**\u30af\u30ed\u30a6\u30ba\u30d5\u30c3\u30c8**\u306e\u982d\u90e8\u3092\u5f62\u6210\u3057\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u95a2\u4fc2\u3092\u8868\u3057\u307e\u3059\uff1a<\/p>\n