{"id":11140,"date":"2026-04-15T16:45:17","date_gmt":"2026-04-15T08:45:17","guid":{"rendered":"https:\/\/www.archimetric.com\/ja\/how-visual-paradigms-online-erd-tool-transformed-my-database-design-workflow\/"},"modified":"2026-04-15T16:45:17","modified_gmt":"2026-04-15T08:45:17","slug":"how-visual-paradigms-online-erd-tool-transformed-my-database-design-workflow","status":"publish","type":"post","link":"https:\/\/www.archimetric.com\/ja\/how-visual-paradigms-online-erd-tool-transformed-my-database-design-workflow\/","title":{"rendered":"Visual 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alt=\"Online ERD Tool\" decoding=\"async\" src=\"https:\/\/online.visual-paradigm.com\/images\/features\/erd-tool\/01-online-erd-tool.png\"\/><\/p>\n<h2>\u7b2c\u4e00\u5370\u8c61\uff1a\u6d17\u7df4\u3055\u308c\u305f\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3001\u5b66\u7fd2\u30b3\u30b9\u30c8\u30bc\u30ed<\/h2>\n<p>\u521d\u3081\u3066\u00a0<a href=\"http:\/\/online.visual-paradigm.com\/\">Visual 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Paradigm\u306e\u30c4\u30fc\u30eb\u3067\u306f\u3001ER\u30e2\u30c7\u30ea\u30f3\u30b0\u306b\u5fc5\u8981\u306a\u3059\u3079\u3066\u306e\u8981\u7d20\u304c\u3059\u3050\u306b\u5229\u7528\u53ef\u80fd\u3067\u3057\u305f\u3002\u9ad8\u30ec\u30d9\u30eb\u306e\u6982\u5ff5\u30e2\u30c7\u30eb\u3092\u69cb\u7bc9\u3057\u3066\u3044\u308b\u3068\u304d\u3067\u3082\u3001\u7269\u7406\u30b9\u30ad\u30fc\u30de\u306e\u8a73\u7d30\u306b\u6df1\u304f\u95a2\u308f\u3063\u3066\u3044\u308b\u3068\u304d\u3067\u3082\u3001\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3001\u5c5e\u6027\u3001\u95a2\u4fc2\u3001\u57fa\u6570\u306e\u8868\u8a18\u306a\u3069\u3001\u3059\u3079\u3066\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u304c\u5305\u62ec\u7684\u3067\u3057\u305f\u3002<\/p>\n<p>\u79c1\u306e\u7d4c\u9a13\u4e0a\u3001\u3053\u306e\u5305\u62ec\u6027\u306e\u304a\u304b\u3052\u3067\u3001\u5927\u5e45\u306a\u6642\u9593\u3092\u7bc0\u7d04\u3067\u304d\u307e\u3057\u305f\u3002\u30c4\u30fc\u30eb\u9593\u306e\u5207\u308a\u66ff\u3048\u3084\u3001\u6b20\u3051\u3066\u3044\u308b\u8a18\u53f7\u306e\u624b\u52d5\u63cf\u753b\u3068\u3044\u3063\u305f\u59a5\u5354\u306f\u5fc5\u8981\u3042\u308a\u307e\u305b\u3093\u3067\u3057\u305f\u3002\u6982\u5ff5\u7684\u3001\u8ad6\u7406\u7684\u3001\u7269\u7406\u7684\u306a\u30c7\u30fc\u30bf\u30e2\u30c7\u30eb\u3092\u4f5c\u6210\u3059\u308b\u3059\u3079\u3066\u306e\u4eba\u306b\u3068\u3063\u3066\u3001\u3053\u306e\u4e00\u4f53\u578b\u8a18\u53f7\u30bb\u30c3\u30c8\u306f\u672c\u7269\u306e\u751f\u7523\u6027\u5411\u4e0a\u306b\u3064\u306a\u304c\u308a\u307e\u3059\u3002<\/p>\n<h2>\u30e2\u30c7\u30eb\u4f5c\u6210\u306e\u67d4\u8edf\u6027\uff1a\u4e00\u3064\u306e\u30c4\u30fc\u30eb\u3067\u8907\u6570\u306e\u6bb5\u968e<\/h2>\n<p>\u79c1\u304c\u7279\u306b\u5370\u8c61\u306b\u6b8b\u3063\u305f\u306e\u306f\u3001\u3053\u306e\u30c4\u30fc\u30eb\u304c\u8a2d\u8a08\u30d7\u30ed\u30bb\u30b9\u306e\u7570\u306a\u308b\u6bb5\u968e\u306b\u67d4\u8edf\u306b\u5bfe\u5fdc\u3067\u304d\u308b\u3053\u3068\u3067\u3059\u3002\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u521d\u671f\u6bb5\u968e\u3067\u306f\u3001\u30b9\u30c6\u30fc\u30af\u30db\u30eb\u30c0\u30fc\u3068\u306e\u8fc5\u901f\u306a\u6982\u5ff5\u56f3\u306e\u4f5c\u6210\u306b\u4f7f\u7528\u3057\u307e\u3057\u305f\u3002\u305d\u306e\u5f8c\u3001\u3053\u308c\u3089\u306e\u30b9\u30b1\u30c3\u30c1\u3092\u6280\u8853\u7684\u30ec\u30d3\u30e5\u30fc\u7528\u306e\u8ad6\u7406\u30e2\u30c7\u30eb\u306b\u6d17\u7df4\u3055\u305b\u3001\u6700\u7d42\u7684\u306b\u306f\u958b\u767a\u8005\u3078\u306e\u5f15\u304d\u6e21\u3057\u7528\u306b\u7269\u7406\u30e2\u30c7\u30eb\u3092\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u3057\u307e\u3057\u305f\u3002<\/p>\n<p>\u305d\u306e\u00a0<a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/features\/erd-tool\/\">\u30aa\u30f3\u30e9\u30a4\u30f3ERD\u30c4\u30fc\u30eb<\/a>\u00a0\u306f\u3001\u5358\u4e00\u306e\u30e2\u30c7\u30ea\u30f3\u30b0\u30d1\u30e9\u30c0\u30a4\u30e0\u306b\u5f37\u5236\u3059\u308b\u3082\u306e\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3067\u3057\u305f\u3002\u3080\u3057\u308d\u3001\u79c1\u306e\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u306e\u9032\u5316\u3092\u67d4\u8edf\u306b\u30b5\u30dd\u30fc\u30c8\u3057\u307e\u3057\u305f\u3002\u3053\u306e\u67d4\u8edf\u6027\u306f\u3001\u6280\u8853\u7684\u30fb\u975e\u6280\u8853\u7684\u4e21\u65b9\u306e\u30b9\u30c6\u30fc\u30af\u30db\u30eb\u30c0\u30fc\u3068\u52b9\u679c\u7684\u306b\u30b3\u30df\u30e5\u30cb\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u53d6\u308b\u5fc5\u8981\u304c\u3042\u308b\u30d7\u30ed\u30c0\u30af\u30c8\u5c02\u9580\u5bb6\u306b\u3068\u3063\u3066\u7279\u306b\u4fa1\u5024\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h2>\u6307\u5148\u306b\u30a4\u30f3\u30b9\u30d4\u30ec\u30fc\u30b7\u30e7\u30f3\uff1a\u5b9f\u969b\u306e\u4e8b\u4f8b\u304b\u3089\u5b66\u3076<\/h2>\n<p>\u3068\u304d\u306b\u306f\u300c\u767d\u7d19\u306e\u72b6\u614b\u75c7\u5019\u7fa4\u300d\u306b\u60a9\u3080\u79c1\u306b\u3068\u3063\u3066\u3001\u7d44\u307f\u8fbc\u307f\u306e\u4f8b\u30ae\u30e3\u30e9\u30ea\u30fc\u306f\u975e\u5e38\u306b\u5f79\u7acb\u3061\u307e\u3057\u305f\u3002\u307e\u3063\u305f\u304f\u30bc\u30ed\u304b\u3089\u59cb\u3081\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u30d7\u30ed\u30d5\u30a7\u30c3\u30b7\u30e7\u30ca\u30eb\u306b\u8a2d\u8a08\u3055\u308c\u305fER\u56f3\u3092\u53c2\u7167\u3057\u3066\u30a4\u30f3\u30b9\u30d4\u30ec\u30fc\u30b7\u30e7\u30f3\u3092\u5f97\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n<p>\u30a4\u30f3\u30b9\u30d4\u30ec\u30fc\u30b7\u30e7\u30f3\u304c\u5fc5\u8981\u3067\u3059\u304b\uff1f\u4ee5\u4e0b\u306eERD\u4f8b\u3092\u7528\u610f\u3057\u307e\u3057\u305f\u306e\u3067\u3001\u30b9\u30bf\u30fc\u30c8\u306e\u624b\u304c\u304b\u308a\u306b\u3057\u3066\u304f\u3060\u3055\u3044\u3002ER\u56f3\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u8868\u793a\u3055\u308c\u3001\u7de8\u96c6\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u7de8\u96c6\u3092\u958b\u59cb\u3067\u304d\u307e\u3059\u3002<\/p>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/templates\/entity-relationship-diagram\/erd-example-atm\" title=\"ERD Example - ATM\"><img alt=\"ERD Example - ATM (ER Diagram Example)\" decoding=\"async\" src=\"https:\/\/online.visual-paradigm.com\/repository\/images\/7eb24322-267a-4239-8e0c-b8339b1cd46e.png\"\/><\/a><br \/>\n<a href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=ERDiagram&amp;gallery=\/repository\/7eb24322-267a-4239-8e0c-b8339b1cd46e.xml&amp;name=ERD%20Example%20-%20ATM\">ERD\u4f8b \u2013 ATM<\/a><\/p>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/templates\/entity-relationship-diagram\/erd-example-book-database\" title=\"ERD Example - Book Database\"><img alt=\"ERD Example - Book Database (ER Diagram Example)\" decoding=\"async\" src=\"https:\/\/online.visual-paradigm.com\/repository\/images\/b15763a9-8ed2-4886-a7ed-128042f21447.png\"\/><\/a><br \/>\n<a href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=ERDiagram&amp;gallery=\/repository\/b15763a9-8ed2-4886-a7ed-128042f21447.xml&amp;name=ERD%20Example%20-%20Book%20Database\">ERD\u4f8b \u2013 \u66f8\u7c4d\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9<\/a><\/p>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/templates\/entity-relationship-diagram\/simple-school-and-student-erd\" title=\"Simple School and Student ERD\"><img alt=\"Simple School and Student ERD (ER Diagram Example)\" decoding=\"async\" src=\"https:\/\/online.visual-paradigm.com\/repository\/images\/aae8b55e-a1c7-4462-9ca8-07020f00ba04.png\"\/><\/a><br \/>\n<a href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=ERDiagram&amp;gallery=\/repository\/aae8b55e-a1c7-4462-9ca8-07020f00ba04.xml&amp;name=Simple%20School%20and%20Student%20ERD\">\u30b7\u30f3\u30d7\u30eb\u306a\u5b66\u6821\u3068\u751f\u5f92\u306eERD<\/a><\/p>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/templates\/entity-relationship-diagram\/simple-movie-rental-erd\" title=\"Simple Movie Rental ERD\"><img alt=\"Simple Movie Rental ERD (ER Diagram Example)\" decoding=\"async\" src=\"https:\/\/online.visual-paradigm.com\/repository\/images\/64ea6b87-f3bf-4b51-a810-329c61a90058.png\"\/><\/a><br \/>\n<a href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=ERDiagram&amp;gallery=\/repository\/64ea6b87-f3bf-4b51-a810-329c61a90058.xml&amp;name=Simple%20Movie%20Rental%20ERD\">\u30b7\u30f3\u30d7\u30eb\u306a\u6620\u753b\u30ec\u30f3\u30bf\u30ebERD<\/a><\/p>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/templates\/entity-relationship-diagram\/data-field-entity-relationship-diagram\" title=\"Data Field Entity Relationship Diagram\"><img alt=\"Data Field Entity Relationship Diagram (ER Diagram Example)\" decoding=\"async\" src=\"https:\/\/online.visual-paradigm.com\/repository\/images\/d0be1147-ade2-438f-bb7c-5ea7962dd070.png\"\/><\/a><br \/>\n<a href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=ERDiagram&amp;gallery=\/repository\/d0be1147-ade2-438f-bb7c-5ea7962dd070.xml&amp;name=Data%20Field%20Entity%20Relationship%20Diagram\">\u30c7\u30fc\u30bf\u30d5\u30a3\u30fc\u30eb\u30c9\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u95a2\u4fc2\u56f3<\/a><\/p>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/templates\/entity-relationship-diagram\/movie-studio-entity-relationship-diagram\" title=\"Movie Studio Entity Relationship Diagram\"><img alt=\"Movie Studio Entity Relationship Diagram (ER Diagram Example)\" decoding=\"async\" src=\"https:\/\/online.visual-paradigm.com\/repository\/images\/e47a44a7-239e-4422-ab83-fe48e4a8dfc9.png\"\/><\/a><br \/>\n<a 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href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=ERDiagram&amp;gallery=\/repository\/ef9429ed-afd7-408c-8f38-3c7c0a606281.xml&amp;name=ERD%20Example:%20Production%20Tracking%20System\">ERD\u4f8b\uff1a\u751f\u7523\u8ffd\u8de1\u30b7\u30b9\u30c6\u30e0<\/a><\/p>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/templates\/entity-relationship-diagram\/erd-example-car-insurance-management-system\" title=\"ERD Example: Car Insurance Management System\"><img alt=\"ERD Example: Car Insurance Management System (ER Diagram Example)\" decoding=\"async\" src=\"https:\/\/online.visual-paradigm.com\/repository\/images\/e2426e05-354c-44b0-889c-55e8d4d71fc7.png\"\/><\/a><br \/>\n<a 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href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=ERDiagram&amp;gallery=\/repository\/c144755c-a980-4d01-8794-e53bf70b0261.xml&amp;name=ER%20Diagram%20Example:%20Favorited%20Team%20Statistics\">ER\u56f3\u4f8b\uff1a\u304a\u6c17\u306b\u5165\u308a\u30c1\u30fc\u30e0\u306e\u7d71\u8a08\u60c5\u5831<\/a><\/p>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/templates\/entity-relationship-diagram\/er-diagram-example-hockey-league\" title=\"ER Diagram Example: Hockey League\"><img alt=\"ER Diagram Example: Hockey League (ER Diagram Example)\" decoding=\"async\" src=\"https:\/\/online.visual-paradigm.com\/repository\/images\/b8f5f178-4ad8-4d8f-9fc1-9dcb5fe51c6e.png\"\/><\/a><br \/>\n<a href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=ERDiagram&amp;gallery=\/repository\/b8f5f178-4ad8-4d8f-9fc1-9dcb5fe51c6e.xml&amp;name=ER%20Diagram%20Example:%20Hockey%20League\">ER\u56f3\u306e\u4f8b\uff1a\u30db\u30c3\u30b1\u30fc\u30ea\u30fc\u30b0<\/a><\/p>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/templates\/entity-relationship-diagram\/erd-example-hospital-management-system\" title=\"ERD Example: Hospital Management System\"><img alt=\"ERD Example: Hospital Management System (ER Diagram Example)\" decoding=\"async\" src=\"https:\/\/online.visual-paradigm.com\/repository\/images\/a5f46368-38e9-4d47-9580-0c4d68c0a629.png\"\/><\/a><br \/>\n<a href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=ERDiagram&amp;gallery=\/repository\/a5f46368-38e9-4d47-9580-0c4d68c0a629.xml&amp;name=ERD%20Example:%20Hospital%20Management%20System\">ERD\u306e\u4f8b\uff1a\u75c5\u9662\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0<\/a><\/p>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/templates\/entity-relationship-diagram\/er-diagram-example-video-rental-system\" title=\"ER Diagram Example: Video Rental System\"><img alt=\"ER Diagram Example: Video Rental System (ER Diagram Example)\" decoding=\"async\" src=\"https:\/\/online.visual-paradigm.com\/repository\/images\/a47c1261-7817-45e8-8bd1-a098d6538165.png\"\/><\/a><br \/>\n<a href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=ERDiagram&amp;gallery=\/repository\/a47c1261-7817-45e8-8bd1-a098d6538165.xml&amp;name=ER%20Diagram%20Example:%20Video%20Rental%20System\">ER\u56f3\u306e\u4f8b\uff1a\u30d3\u30c7\u30aa\u30ec\u30f3\u30bf\u30eb\u30b7\u30b9\u30c6\u30e0<\/a><\/p>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/templates\/entity-relationship-diagram\/er-model-example-research-cooperation-and-exchange\" title=\"ER Model Example: Research Cooperation and Exchange\"><img alt=\"ER Model Example: Research Cooperation and Exchange (ER Diagram Example)\" decoding=\"async\" src=\"https:\/\/online.visual-paradigm.com\/repository\/images\/9a6d0933-2c4c-4bbd-8b57-b3a73fbd02a1.png\"\/><\/a><br \/>\n<a href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=ERDiagram&amp;gallery=\/repository\/9a6d0933-2c4c-4bbd-8b57-b3a73fbd02a1.xml&amp;name=ER%20Model%20Example:%20Research%20Cooperation%20and%20Exchange\">ER\u30e2\u30c7\u30eb\u306e\u4f8b\uff1a\u7814\u7a76\u5354\u529b\u3068\u4ea4\u6d41<\/a><\/p>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/templates\/entity-relationship-diagram\/er-model-examination-scheduling-system\" title=\"ER Model: Examination Scheduling System\"><img alt=\"ER Model: Examination Scheduling System (ER Diagram Example)\" decoding=\"async\" src=\"https:\/\/online.visual-paradigm.com\/repository\/images\/955408ad-0f82-40fb-98e5-869339515f22.png\"\/><\/a><br \/>\n<a href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=ERDiagram&amp;gallery=\/repository\/955408ad-0f82-40fb-98e5-869339515f22.xml&amp;name=ER%20Model:%20Examination%20Scheduling%20System\">ER\u30e2\u30c7\u30eb\uff1a\u8a66\u9a13\u30b9\u30b1\u30b8\u30e5\u30fc\u30ea\u30f3\u30b0\u30b7\u30b9\u30c6\u30e0<\/a><\/p>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/templates\/entity-relationship-diagram\/entity-relationship-diagram-movie-rental-system\" title=\"Entity Relationship Diagram: Movie Rental System\"><img alt=\"Entity Relationship Diagram: Movie Rental System (ER Diagram Example)\" decoding=\"async\" src=\"https:\/\/online.visual-paradigm.com\/repository\/images\/8d0b0c2d-1963-4997-b95a-aca38976851a.png\"\/><\/a><br \/>\n<a href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=ERDiagram&amp;gallery=\/repository\/8d0b0c2d-1963-4997-b95a-aca38976851a.xml&amp;name=Entity%20Relationship%20Diagram:%20Movie%20Rental%20System\">\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u95a2\u4fc2\u56f3\uff1a\u6620\u753b\u30ec\u30f3\u30bf\u30eb\u30b7\u30b9\u30c6\u30e0<\/a><\/p>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/templates\/entity-relationship-diagram\/er-model-student-score-ternary-relationship\" title=\"ER Model: Student Score - Ternary Relationship\"><img alt=\"ER Model: Student Score - Ternary Relationship (ER Diagram Example)\" decoding=\"async\" src=\"https:\/\/online.visual-paradigm.com\/repository\/images\/8c19cb11-48a3-4ebf-a914-08efc3484567.png\"\/><\/a><br \/>\n<a href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=ERDiagram&amp;gallery=\/repository\/8c19cb11-48a3-4ebf-a914-08efc3484567.xml&amp;name=ER%20Model:%20Student%20Score%20-%20Ternary%20Relationship\">ER\u30e2\u30c7\u30eb\uff1a\u5b66\u751f\u6210\u7e3e \u2013 3\u9805\u95a2\u4fc2<\/a><\/p>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/templates\/entity-relationship-diagram\/er-model-example-student-score-binary-relationship\" title=\"ER Model Example: Student Score - Binary Relationship\"><img alt=\"ER Model Example: Student Score - Binary Relationship (ER Diagram Example)\" decoding=\"async\" src=\"https:\/\/online.visual-paradigm.com\/repository\/images\/73785425-47d6-4273-8b89-b2b9622af30f.png\"\/><\/a><br \/>\n<a href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=ERDiagram&amp;gallery=\/repository\/73785425-47d6-4273-8b89-b2b9622af30f.xml&amp;name=ER%20Model%20Example:%20Student%20Score%20-%20Binary%20Relationship\">ER\u30e2\u30c7\u30eb\u306e\u4f8b\uff1a\u5b66\u751f\u6210\u7e3e \u2013 2\u9805\u95a2\u4fc2<\/a><\/p>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/templates\/entity-relationship-diagram\/er-diagram-example-online-photo-album\" title=\"ER Diagram Example: Online Photo Album\"><img alt=\"ER Diagram Example: Online Photo Album (ER Diagram Example)\" decoding=\"async\" src=\"https:\/\/online.visual-paradigm.com\/repository\/images\/7208c819-f8a3-4100-b699-de1a7a13f0c2.png\"\/><\/a><br \/>\n<a href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=ERDiagram&amp;gallery=\/repository\/7208c819-f8a3-4100-b699-de1a7a13f0c2.xml&amp;name=ER%20Diagram%20Example:%20Online%20Photo%20Album\">ER\u56f3\u306e\u4f8b\uff1a\u30aa\u30f3\u30e9\u30a4\u30f3\u30d5\u30a9\u30c8\u30a2\u30eb\u30d0\u30e0<\/a><\/p>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/templates\/entity-relationship-diagram\/er-diagram-example-simple-order-system\" title=\"ER Diagram Example: Simple Order System\"><img alt=\"ER Diagram Example: Simple Order System (ER Diagram Example)\" decoding=\"async\" src=\"https:\/\/online.visual-paradigm.com\/repository\/images\/6bbef478-b529-4ab5-a82b-aefce1dd9aad.png\"\/><\/a><br \/>\n<a href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=ERDiagram&amp;gallery=\/repository\/6bbef478-b529-4ab5-a82b-aefce1dd9aad.xml&amp;name=ER%20Diagram%20Example:%20Simple%20Order%20System\">ER\u56f3\u306e\u4f8b\uff1a\u30b7\u30f3\u30d7\u30eb\u306a\u6ce8\u6587\u30b7\u30b9\u30c6\u30e0<\/a><\/p>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/templates\/entity-relationship-diagram\/er-diagram-example-small-loan-system\" title=\"ER Diagram Example: Small Loan System\"><img alt=\"ER Diagram Example: Small Loan System (ER Diagram Example)\" decoding=\"async\" src=\"https:\/\/online.visual-paradigm.com\/repository\/images\/5802c7dd-c92c-43a9-bf20-7b38f9fc8d52.png\"\/><\/a><br \/>\n<a href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=ERDiagram&amp;gallery=\/repository\/5802c7dd-c92c-43a9-bf20-7b38f9fc8d52.xml&amp;name=ER%20Diagram%20Example:%20Small%20Loan%20System\">ER\u56f3\u306e\u4f8b\uff1a\u5c0f\u898f\u6a21\u30ed\u30fc\u30f3\u30b7\u30b9\u30c6\u30e0<\/a><\/p>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/templates\/entity-relationship-diagram\/entity-relationship-diagram-example-mis\" title=\"Entity Relationship Diagram Example: MIS\"><img alt=\"Entity Relationship Diagram Example: MIS (ER Diagram Example)\" decoding=\"async\" src=\"https:\/\/online.visual-paradigm.com\/repository\/images\/5512a900-86be-4164-906e-ad4694466206.png\"\/><\/a><br \/>\n<a href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=ERDiagram&amp;gallery=\/repository\/5512a900-86be-4164-906e-ad4694466206.xml&amp;name=Entity%20Relationship%20Diagram%20Example:%20MIS\">\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u95a2\u4fc2\u56f3\u306e\u4f8b\uff1aMIS<\/a><\/p>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/templates\/entity-relationship-diagram\/entity-relationship-diagram-online-bookstore\" title=\"Entity Relationship Diagram: Online Bookstore\"><img alt=\"Entity Relationship Diagram: Online Bookstore (ER Diagram Example)\" decoding=\"async\" src=\"https:\/\/online.visual-paradigm.com\/repository\/images\/3e0bd6b5-3c97-473e-a842-e68910b01dea.png\"\/><\/a><br \/>\n<a href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=ERDiagram&amp;gallery=\/repository\/3e0bd6b5-3c97-473e-a842-e68910b01dea.xml&amp;name=Entity%20Relationship%20Diagram:%20Online%20Bookstore\">\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u95a2\u4fc2\u56f3\uff1a\u30aa\u30f3\u30e9\u30a4\u30f3\u66f8\u5e97<\/a><\/p>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/templates\/entity-relationship-diagram\/er-diagram-inventory-management-system\" title=\"ER Diagram: Inventory Management System\"><img alt=\"ER Diagram: Inventory Management System (ER Diagram Example)\" decoding=\"async\" src=\"https:\/\/online.visual-paradigm.com\/repository\/images\/26696f29-1f6a-44a2-adb4-b03cff92e492.png\"\/><\/a><br \/>\n<a href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=ERDiagram&amp;gallery=\/repository\/26696f29-1f6a-44a2-adb4-b03cff92e492.xml&amp;name=ER%20Diagram:%20Inventory%20Management%20System\">ER\u56f3\uff1a\u5728\u5eab\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0<\/a><\/p>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/templates\/entity-relationship-diagram\/er-diagram-university-registration-system\" title=\"ER Diagram: University Registration System\"><img alt=\"ER Diagram: University Registration System (ER Diagram Example)\" decoding=\"async\" src=\"https:\/\/online.visual-paradigm.com\/repository\/images\/1e70affc-0997-4f1f-80fd-1795677eeff2.png\"\/><\/a><br \/>\n<a href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=ERDiagram&amp;gallery=\/repository\/1e70affc-0997-4f1f-80fd-1795677eeff2.xml&amp;name=ER%20Diagram:%20University%20Registration%20System\">ER\u56f3\uff1a\u5927\u5b66\u767b\u9332\u30b7\u30b9\u30c6\u30e0<\/a><\/p>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/templates\/entity-relationship-diagram\/erd-example-course-management-system\" title=\"ERD Example: Course Management System\"><img alt=\"ERD Example: Course Management System (ER Diagram Example)\" decoding=\"async\" src=\"https:\/\/online.visual-paradigm.com\/repository\/images\/15c735c6-712c-4f52-bb40-e147d31f7297.png\"\/><\/a><br \/>\n<a href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=ERDiagram&amp;gallery=\/repository\/15c735c6-712c-4f52-bb40-e147d31f7297.xml&amp;name=ERD%20Example:%20Course%20Management%20System\">ERD\u306e\u4f8b\uff1a\u6388\u696d\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0<\/a><\/p>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/templates\/entity-relationship-diagram\/notations-for-traditional-erd\" title=\"Notations for Traditional ERD\"><img alt=\"Notations for Traditional ERD (ER Diagram Example)\" decoding=\"async\" src=\"https:\/\/online.visual-paradigm.com\/repository\/images\/0a3f8159-5075-44ce-b2dc-b0eb6c347517.png\"\/><\/a><br \/>\n<a href=\"https:\/\/online.visual-paradigm.com\/diagrams.jsp#diagram:proj=0&amp;type=ERDiagram&amp;gallery=\/repository\/0a3f8159-5075-44ce-b2dc-b0eb6c347517.xml&amp;name=Notations%20for%20Traditional%20ERD\">\u4f1d\u7d71\u7684\u306aERD\u306e\u8868\u8a18\u6cd5<\/a><\/p>\n<p>\u4f8b\u3092\u30d5\u30a9\u30fc\u30af\u3057\u3066\u81ea\u5206\u306e\u7279\u5b9a\u306e\u7528\u9014\u306b\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3067\u304d\u308b\u70b9\u304c\u7279\u306b\u3042\u308a\u304c\u305f\u304b\u3063\u305f\u3067\u3059\u3002\u3053\u306e\u6a5f\u80fd\u306b\u3088\u308a\u3001\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u6642\u9593\u306f\u5927\u5e45\u306b\u77ed\u7e2e\u3055\u308c\u3001\u81ea\u3089\u65b0\u3057\u3044\u65b9\u6cd5\u3092\u8003\u6848\u3057\u306a\u304f\u3066\u3082\u3001\u30e2\u30c7\u30ea\u30f3\u30b0\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3092\u7dad\u6301\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n<h2>\u4f7f\u3044\u3084\u3059\u3044\u7de8\u96c6\u4f53\u9a13\uff1a\u30b9\u30e0\u30fc\u30ba\u306a\u53cd\u5fa9\u3001\u697d\u3057\u3044\u30b3\u30e9\u30dc\u30ec\u30fc\u30b7\u30e7\u30f3<\/h2>\n<p>\u56f3\u306e\u7de8\u96c6\u306f\u591a\u304f\u306e\u30c4\u30fc\u30eb\u304c\u4e0d\u8db3\u3057\u3066\u3044\u308b\u5206\u91ce\u3067\u3059\u304c\u3001Visual 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alt=\"\" decoding=\"async\" src=\"https:\/\/www.archimetric.com\/wp-content\/uploads\/2026\/04\/img_69df50215b20c.\"\/><\/p>\n<h1>\u6982\u5ff5\u7684ERD<\/h1>\n<p>\u30c7\u30b6\u30a4\u30f3 by<a href=\"https:\/\/online.visual-paradigm.com\/community\/user\/gugu%20dev\">@Gugu Dev<\/a><\/p>\n<h2>\u3042\u306a\u305f\u306b\u3082\u304a\u3059\u3059\u3081<\/h2>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/templates\/entity-relationship-diagram\/erd-example-book-database\/\"><img alt=\"ERD Example - Book Database\" decoding=\"async\" src=\"https:\/\/online.visual-paradigm.com\/repository\/images\/b15763a9-8ed2-4886-a7ed-128042f21447\/entity-relationship-diagram-design\/erd-example-book-database.png\"\/><\/a><\/p>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/app\/diagrams\/#diagram:proj=0&amp;type=ERDiagram&amp;gallery=\/repository\/b15763a9-8ed2-4886-a7ed-128042f21447.xml&amp;name=ERD%20Example%20-%20Book%20Database\">ERD\u306e\u4f8b \u2013 \u66f8\u7c4d\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9<\/a><\/p>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/templates\/entity-relationship-diagram\/simple-school-and-student-erd\/\"><img alt=\"Simple School and Student ERD\" decoding=\"async\" src=\"https:\/\/online.visual-paradigm.com\/repository\/images\/aae8b55e-a1c7-4462-9ca8-07020f00ba04\/entity-relationship-diagram-design\/simple-school-and-student-erd.png\"\/><\/a><\/p>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/app\/diagrams\/#diagram:proj=0&amp;type=ERDiagram&amp;gallery=\/repository\/aae8b55e-a1c7-4462-9ca8-07020f00ba04.xml&amp;name=Simple%20School%20and%20Student%20ERD\">\u30b7\u30f3\u30d7\u30eb\u306a\u5b66\u6821\u3068\u5b66\u751f\u306eERD<\/a><\/p>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/templates\/entity-relationship-diagram\/simple-movie-rental-erd\/\"><img alt=\"Simple Movie Rental ERD\" decoding=\"async\" src=\"https:\/\/online.visual-paradigm.com\/repository\/images\/64ea6b87-f3bf-4b51-a810-329c61a90058\/entity-relationship-diagram-design\/simple-movie-rental-erd.png\"\/><\/a><a href=\"https:\/\/online.visual-paradigm.com\/app\/diagrams\/#diagram:proj=0&amp;type=ERDiagram&amp;gallery=\/repository\/64ea6b87-f3bf-4b51-a810-329c61a90058.xml&amp;name=Simple%20Movie%20Rental%20ERD\">\u30b7\u30f3\u30d7\u30eb\u306a\u6620\u753b\u30ec\u30f3\u30bf\u30ebERD<\/a><\/p>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/templates\/entity-relationship-diagram\/data-field-entity-relationship-diagram\/\"><img alt=\"Data Field Entity Relationship Diagram\" decoding=\"async\" src=\"https:\/\/online.visual-paradigm.com\/repository\/images\/d0be1147-ade2-438f-bb7c-5ea7962dd070\/entity-relationship-diagram-design\/data-field-entity-relationship-diagram.png\"\/><\/a><a href=\"https:\/\/online.visual-paradigm.com\/app\/diagrams\/#diagram:proj=0&amp;type=ERDiagram&amp;gallery=\/repository\/d0be1147-ade2-438f-bb7c-5ea7962dd070.xml&amp;name=Data%20Field%20Entity%20Relationship%20Diagram\">\u30c7\u30fc\u30bf\u30d5\u30a3\u30fc\u30eb\u30c9\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u95a2\u4fc2\u56f3<\/a><\/p>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/templates\/entity-relationship-diagram\/movie-studio-entity-relationship-diagram\/\"><img alt=\"Movie Studio Entity Relationship Diagram\" decoding=\"async\" src=\"https:\/\/online.visual-paradigm.com\/repository\/images\/e47a44a7-239e-4422-ab83-fe48e4a8dfc9\/entity-relationship-diagram-design\/movie-studio-entity-relationship-diagram.png\"\/><\/a><a href=\"https:\/\/online.visual-paradigm.com\/app\/diagrams\/#diagram:proj=0&amp;type=ERDiagram&amp;gallery=\/repository\/e47a44a7-239e-4422-ab83-fe48e4a8dfc9.xml&amp;name=Movie%20Studio%20Entity%20Relationship%20Diagram\">\u6620\u753b\u30b9\u30bf\u30b8\u30aa\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u95a2\u4fc2\u56f3<\/a><\/p>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/templates\/entity-relationship-diagram\/order-purchase-entity-relationship-diagram\/\"><img alt=\"Order Purchase Entity Relationship Diagram\" decoding=\"async\" src=\"https:\/\/online.visual-paradigm.com\/repository\/images\/0cd85499-56b1-4676-b624-8dbaa04add51\/entity-relationship-diagram-design\/order-purchase-entity-relationship-diagram.png\"\/><\/a><a href=\"https:\/\/online.visual-paradigm.com\/app\/diagrams\/#diagram:proj=0&amp;type=ERDiagram&amp;gallery=\/repository\/0cd85499-56b1-4676-b624-8dbaa04add51.xml&amp;name=Order%20Purchase%20Entity%20Relationship%20Diagram\">\u6ce8\u6587\u8cfc\u5165\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u95a2\u4fc2\u56f3<\/a><\/p>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/templates\/entity-relationship-diagram\/event-creator-entity-relationship-diagram\/\"><img alt=\"Event Creator Entity Relationship Diagram\" decoding=\"async\" src=\"https:\/\/online.visual-paradigm.com\/repository\/images\/e8b7ad07-ce2c-4d13-b2c1-b015735a376f\/entity-relationship-diagram-design\/event-creator-entity-relationship-diagram.png\"\/><\/a><a href=\"https:\/\/online.visual-paradigm.com\/app\/diagrams\/#diagram:proj=0&amp;type=ERDiagram&amp;gallery=\/repository\/e8b7ad07-ce2c-4d13-b2c1-b015735a376f.xml&amp;name=Event%20Creator%20Entity%20Relationship%20Diagram\">\u30a4\u30d9\u30f3\u30c8\u4f5c\u6210\u8005\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u95a2\u4fc2\u56f3<\/a><\/p>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/templates\/entity-relationship-diagram\/erd-example-production-tracking-system\/\"><img alt=\"ERD Example: Production Tracking System\" decoding=\"async\" src=\"https:\/\/online.visual-paradigm.com\/repository\/images\/ef9429ed-afd7-408c-8f38-3c7c0a606281\/entity-relationship-diagram-design\/erd-example-production-tracking-system.png\"\/><\/a><\/p>\n<ul>\n<li>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/app\/diagrams\/#diagram:proj=0&amp;type=ERDiagram&amp;gallery=\/repository\/ef9429ed-afd7-408c-8f38-3c7c0a606281.xml&amp;name=ERD%20Example%3A%20Production%20Tracking%20System\">ERD\u4f8b\uff1a\u751f\u7523\u8ffd\u8de1\u30b7\u30b9\u30c6\u30e0<\/a><\/p>\n<\/li>\n<\/ul>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/templates\/entity-relationship-diagram\/erd-example-car-insurance-management-system\/\"><img alt=\"ERD Example: Car Insurance Management System\" decoding=\"async\" src=\"https:\/\/online.visual-paradigm.com\/repository\/images\/e2426e05-354c-44b0-889c-55e8d4d71fc7\/entity-relationship-diagram-design\/erd-example-car-insurance-management-system.png\"\/><\/a><\/p>\n<ul>\n<li>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/app\/diagrams\/#diagram:proj=0&amp;type=ERDiagram&amp;gallery=\/repository\/e2426e05-354c-44b0-889c-55e8d4d71fc7.xml&amp;name=ERD%20Example%3A%20Car%20Insurance%20Management%20System\">ERD\u4f8b\uff1a\u81ea\u52d5\u8eca\u4fdd\u967a\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0<\/a><\/p>\n<\/li>\n<li><\/li>\n<\/ul>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/templates\/entity-relationship-diagram\/er-diagram-example-favorited-team-statistics\/\"><img alt=\"ER Diagram Example: Favorited Team Statistics\" decoding=\"async\" src=\"https:\/\/online.visual-paradigm.com\/repository\/images\/c144755c-a980-4d01-8794-e53bf70b0261\/entity-relationship-diagram-design\/er-diagram-example-favorited-team-statistics.png\"\/><\/a><\/p>\n<ul>\n<li>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/app\/diagrams\/#diagram:proj=0&amp;type=ERDiagram&amp;gallery=\/repository\/c144755c-a980-4d01-8794-e53bf70b0261.xml&amp;name=ER%20Diagram%20Example%3A%20Favorited%20Team%20Statistics\">ER\u56f3\u4f8b\uff1a\u304a\u6c17\u306b\u5165\u308a\u30c1\u30fc\u30e0\u306e\u7d71\u8a08\u60c5\u5831<\/a><\/p>\n<\/li>\n<\/ul>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/templates\/entity-relationship-diagram\/er-diagram-example-hockey-league\/\"><img alt=\"ER Diagram Example: Hockey League\" decoding=\"async\" src=\"https:\/\/online.visual-paradigm.com\/repository\/images\/b8f5f178-4ad8-4d8f-9fc1-9dcb5fe51c6e\/entity-relationship-diagram-design\/er-diagram-example-hockey-league.png\"\/><\/a><\/p>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/app\/diagrams\/#diagram:proj=0&amp;type=ERDiagram&amp;gallery=\/repository\/b8f5f178-4ad8-4d8f-9fc1-9dcb5fe51c6e.xml&amp;name=ER%20Diagram%20Example%3A%20Hockey%20League\">ER\u56f3\u4f8b\uff1a\u30db\u30c3\u30b1\u30fc\u30ea\u30fc\u30b0<\/a><\/p>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/templates\/entity-relationship-diagram\/erd-example-hospital-management-system\/\"><img alt=\"ERD Example: Hospital Management System\" decoding=\"async\" src=\"https:\/\/online.visual-paradigm.com\/repository\/images\/a5f46368-38e9-4d47-9580-0c4d68c0a629\/entity-relationship-diagram-design\/erd-example-hospital-management-system.png\"\/><\/a><\/p>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/app\/diagrams\/#diagram:proj=0&amp;type=ERDiagram&amp;gallery=\/repository\/a5f46368-38e9-4d47-9580-0c4d68c0a629.xml&amp;name=ERD%20Example%3A%20Hospital%20Management%20System\">ERD\u4f8b\uff1a\u75c5\u9662\u7ba1\u7406\u30b7\u30b9\u30c6\u30e0<\/a><\/p>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/templates\/entity-relationship-diagram\/er-diagram-example-video-rental-system\/\"><img alt=\"ER Diagram Example: Video Rental System\" decoding=\"async\" src=\"https:\/\/online.visual-paradigm.com\/repository\/images\/a47c1261-7817-45e8-8bd1-a098d6538165\/entity-relationship-diagram-design\/er-diagram-example-video-rental-system.png\"\/><\/a><\/p>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/app\/diagrams\/#diagram:proj=0&amp;type=ERDiagram&amp;gallery=\/repository\/a47c1261-7817-45e8-8bd1-a098d6538165.xml&amp;name=ER%20Diagram%20Example%3A%20Video%20Rental%20System\">ER\u56f3\u4f8b\uff1a\u30d3\u30c7\u30aa\u30ec\u30f3\u30bf\u30eb\u30b7\u30b9\u30c6\u30e0<\/a><\/p>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/templates\/entity-relationship-diagram\/er-model-example-research-cooperation-and-exchange\/\"><img alt=\"ER Model Example: Research Cooperation and Exchange\" decoding=\"async\" src=\"https:\/\/online.visual-paradigm.com\/repository\/images\/9a6d0933-2c4c-4bbd-8b57-b3a73fbd02a1\/entity-relationship-diagram-design\/er-model-example-research-cooperation-and-exchange.png\"\/><\/a><a href=\"https:\/\/online.visual-paradigm.com\/app\/diagrams\/#diagram:proj=0&amp;type=ERDiagram&amp;gallery=\/repository\/9a6d0933-2c4c-4bbd-8b57-b3a73fbd02a1.xml&amp;name=ER%20Model%20Example%3A%20Research%20Cooperation%20and%20Exchange\">ER\u30e2\u30c7\u30eb\u4f8b\uff1a\u7814\u7a76\u5354\u529b\u3068\u4ea4\u6d41<\/a><\/p>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/templates\/entity-relationship-diagram\/er-model-examination-scheduling-system\/\"><img alt=\"ER Model: Examination Scheduling System\" decoding=\"async\" src=\"https:\/\/online.visual-paradigm.com\/repository\/images\/955408ad-0f82-40fb-98e5-869339515f22\/entity-relationship-diagram-design\/er-model-examination-scheduling-system.png\"\/><\/a><a 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href=\"https:\/\/online.visual-paradigm.com\/app\/diagrams\/#diagram:proj=0&amp;type=ERDiagram&amp;gallery=\/repository\/8d0b0c2d-1963-4997-b95a-aca38976851a.xml&amp;name=Entity%20Relationship%20Diagram%3A%20Movie%20Rental%20System\">\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u95a2\u4fc2\u56f3\uff1a\u6620\u753b\u30ec\u30f3\u30bf\u30eb\u30b7\u30b9\u30c6\u30e0<\/a><\/p>\n<p><a href=\"https:\/\/online.visual-paradigm.com\/diagrams\/templates\/entity-relationship-diagram\/er-model-student-score-ternary-relationship\/\"><img alt=\"ER Model: Student Score - Ternary Relationship\" decoding=\"async\" src=\"https:\/\/online.visual-paradigm.com\/repository\/images\/8c19cb11-48a3-4ebf-a914-08efc3484567\/entity-relationship-diagram-design\/er-model-student-score-ternary-relationship.png\"\/><\/a><a 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