{"id":9682,"date":"2025-01-10T14:48:15","date_gmt":"2025-01-10T06:48:15","guid":{"rendered":"https:\/\/www.cybermedian.com\/ja\/entity-relationship-diagrams-erds-a-comprehensive-guide\/"},"modified":"2026-04-14T11:07:54","modified_gmt":"2026-04-14T11:07:54","slug":"entity-relationship-diagrams-erds-a-comprehensive-guide","status":"publish","type":"post","link":"https:\/\/www.cybermedian.com\/ja\/entity-relationship-diagrams-erds-a-comprehensive-guide\/","title":{"rendered":"\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u95a2\u4fc2\u56f3\uff08ERD\uff09\uff1a\u5305\u62ec\u7684\u306a\u30ac\u30a4\u30c9"},"content":{"rendered":"<h2>\u306f\u3058\u3081\u306b<\/h2>\n<p>\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u95a2\u4fc2\u56f3\uff08<a 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alt=\"Entity Relationship Diagram: Movie Rental System\" decoding=\"async\" src=\"https:\/\/online.visual-paradigm.com\/repository\/images\/8d0b0c2d-1963-4997-b95a-aca38976851a\/entity-relationship-diagram-design\/entity-relationship-diagram-movie-rental-system.png\"\/><\/p>\n<h3>\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3068\u5c5e\u6027<\/h3>\n<ol>\n<li><strong>\u6620\u753b<\/strong>\uff1a\u30ec\u30f3\u30bf\u30eb\u53ef\u80fd\u306a\u6620\u753b\u3092\u8868\u3059\u3002\n<ul>\n<li>\u5c5e\u6027\uff1a\u6620\u753bID\u3001\u30bf\u30a4\u30c8\u30eb\u3001\u8aac\u660e\u3001\u516c\u958b\u5e74\u3001\u30ec\u30f3\u30bf\u30eb\u671f\u9593\u3001\u30ec\u30f3\u30bf\u30eb\u6599\u3001\u9577\u3055\u3001\u88dc\u511f\u8cbb\u7528\u3001\u8a55\u4fa1\u3001\u7279\u5225\u7279\u5fb4\u3001\u5168\u6587<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u30ab\u30c6\u30b4\u30ea<\/strong>\uff1a\u6620\u753b\u306e\u30b8\u30e3\u30f3\u30eb\u3084\u30ab\u30c6\u30b4\u30ea\u3092\u8868\u3059\u3002\n<ul>\n<li>\u5c5e\u6027\uff1a\u30ab\u30c6\u30b4\u30eaID\u3001\u540d\u524d<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u6620\u753b\u30ab\u30c6\u30b4\u30ea<\/strong>\uff1a\u6620\u753b\u3068\u30ab\u30c6\u30b4\u30ea\u306e\u591a\u5bfe\u591a\u306e\u95a2\u4fc2\u3092\u8868\u3059\u3002\n<ul>\n<li>\u5c5e\u6027\uff1a\u6620\u753bID\u3001\u30ab\u30c6\u30b4\u30eaID<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u8a00\u8a9e<\/strong>\uff1a\u6620\u753b\u304c\u5229\u7528\u53ef\u80fd\u306a\u8a00\u8a9e\u3092\u8868\u3059\u3002\n<ul>\n<li>\u5c5e\u6027: LanguageID\u3001Name<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u4ff3\u512a<\/strong>: \u6620\u753b\u306b\u51fa\u6f14\u3059\u308b\u4ff3\u512a\u3092\u8868\u3057\u307e\u3059\u3002\n<ul>\n<li>\u5c5e\u6027: ActorID\u3001FirstName\u3001LastName<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u6620\u753b\u4ff3\u512a<\/strong>: \u6620\u753b\u3068\u4ff3\u512a\u306e\u591a\u5bfe\u591a\u306e\u95a2\u4fc2\u3092\u8868\u3057\u307e\u3059\u3002\n<ul>\n<li>\u5c5e\u6027: FilmID\u3001ActorID<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u5728\u5eab<\/strong>: \u30ec\u30f3\u30bf\u30eb\u53ef\u80fd\u306a\u6620\u753b\u306e\u5728\u5eab\u3092\u8868\u3057\u307e\u3059\u3002\n<ul>\n<li>\u5c5e\u6027: InventoryID\u3001FilmID<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u30ec\u30f3\u30bf\u30eb<\/strong>: \u30ec\u30f3\u30bf\u30eb\u53d6\u5f15\u3092\u8868\u3057\u307e\u3059\u3002\n<ul>\n<li>\u5c5e\u6027: RentalID\u3001StaffID\u3001CustomerID\u3001InventoryID\u3001RentalDate\u3001ReturnDate<\/li>\n<\/ul>\n<\/li>\n<li><strong>\u652f\u6255\u3044<\/strong>: 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