{"id":11769,"date":"2026-01-10T10:08:58","date_gmt":"2026-01-10T02:08:58","guid":{"rendered":"https:\/\/blog.visual-paradigm.com\/fa\/comprehensive-guide-to-entity-relationship-er-modeling-with-example\/"},"modified":"2026-01-10T10:08:58","modified_gmt":"2026-01-10T02:08:58","slug":"comprehensive-guide-to-entity-relationship-er-modeling-with-example","status":"publish","type":"post","link":"https:\/\/blog.visual-paradigm.com\/fa\/comprehensive-guide-to-entity-relationship-er-modeling-with-example\/","title":{"rendered":"\u0631\u0627\u0647\u0646\u0645\u0627\u06cc \u062c\u0627\u0645\u0639 \u0645\u062f\u0644\u0633\u0627\u0632\u06cc \u0645\u0648\u062c\u0648\u062f\u06cc\u062a-\u0631\u0627\u0628\u0637\u0647 (ER): \u0628\u0627 \u0645\u062b\u0627\u0644"},"content":{"rendered":"<h2>\u0645\u0642\u062f\u0645\u0647<\/h2>\n<p><a href=\"https:\/\/www.visual-paradigm.com\/guide\/data-modeling\/what-is-entity-relationship-diagram\/\">\u0645\u062f\u0644\u0633\u0627\u0632\u06cc 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Video Rental System - Visual Paradigm Community Circle\" class=\"aligncenter\" decoding=\"async\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2023\/03\/ERD-Video-Rental-System.png\"\/><\/p>\n<p style=\"text-align: center;\"><a class=\"edit-template-v1\" 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\">\u0627\u06cc\u0646 ERD \u0631\u0627 \u0622\u0646\u0644\u0627\u06cc\u0646 \u0648\u06cc\u0631\u0627\u06cc\u0634 \u06a9\u0646\u06cc\u062f<\/a><\/p>\n<h2>\u0645\u0632\u0627\u06cc\u0627\u06cc \u0645\u062f\u0644\u0633\u0627\u0632\u06cc ER<\/h2>\n<p>\u0645\u062f\u0644\u0633\u0627\u0632\u06cc ER \u0631\u0648\u0634\u06cc \u06af\u0633\u062a\u0631\u062f\u0647\u200c\u0627\u06cc \u0628\u0631\u0627\u06cc \u0637\u0631\u0627\u062d\u06cc \u0633\u06cc\u0633\u062a\u0645\u200c\u0647\u0627\u06cc \u062f\u0627\u062f\u0647\u200c\u0627\u06cc 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\u0627\u0633\u062a:<\/p>\n<ul>\n<li>\u06cc\u06a9 \u062f\u0627\u0646\u0634\u062c\u0648 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u062f\u0631 \u06cc\u06a9 \u06cc\u0627 \u0686\u0646\u062f \u062f\u0631\u0633 \u062b\u0628\u062a\u200c\u0646\u0627\u0645 \u06a9\u0646\u062f.<\/li>\n<li>\u06cc\u06a9 \u062f\u0631\u0633 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u062a\u0648\u0633\u0637 \u06cc\u06a9 \u06cc\u0627 \u0686\u0646\u062f \u062f\u0627\u0646\u0634\u062c\u0648 \u06af\u0631\u0641\u062a\u0647 \u0634\u0648\u062f.<\/li>\n<li>\u06cc\u06a9 \u062f\u0631\u0633 \u062a\u0648\u0633\u0637 \u06cc\u06a9 \u0645\u062f\u0631\u0633 \u062a\u062f\u0631\u06cc\u0633 \u0645\u06cc\u200c\u0634\u0648\u062f.<\/li>\n<li>\u06cc\u06a9 \u0645\u062f\u0631\u0633 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u06cc\u06a9 \u06cc\u0627 \u0686\u0646\u062f \u062f\u0631\u0633 \u062a\u062f\u0631\u06cc\u0633 \u06a9\u0646\u062f.<\/li>\n<li>\u06cc\u06a9 \u062f\u0627\u0646\u0634\u06a9\u062f\u0647 \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u06cc\u06a9 \u06cc\u0627 \u0686\u0646\u062f \u062f\u0631\u0633 \u0627\u0631\u0627\u0626\u0647 \u062f\u0647\u062f.<\/li>\n<li>\u06cc\u06a9 \u062f\u0631\u0633 \u0645\u062a\u0639\u0644\u0642 \u0628\u0647 \u06cc\u06a9 \u062f\u0627\u0646\u0634\u06a9\u062f\u0647 \u0627\u0633\u062a.<\/li>\n<\/ul>\n<p>\u0628\u0631 \u0627\u0633\u0627\u0633 \u0627\u06cc\u0646 \u0631\u0648\u0627\u0628\u0637\u060c \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u06cc\u0645 \u0645\u062f\u0644 ER \u0632\u06cc\u0631 \u0631\u0627 \u0627\u06cc\u062c\u0627\u062f \u06a9\u0646\u06cc\u0645<\/p>\n<p><img class=\"aligncenter\" decoding=\"async\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2023\/03\/simple-school-and-student-erd.png\"\/><\/p>\n<p style=\"text-align: center;\"><a class=\"edit-template-v1\" href=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2023\/03\/simple-school-and-student-erd.png\">\u0627\u06cc\u0646 \u0645\u062b\u0627\u0644 ERD \u0631\u0627 \u0633\u0641\u0627\u0631\u0634\u06cc \u06a9\u0646\u06cc\u062f<\/a><\/p>\n<h2>\u0645\u062b\u0627\u0644 ERD \u2013 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u06a9\u062a\u0627\u0628<\/h2>\n<p>\u0641\u0631\u0636 \u06a9\u0646\u06cc\u062f \u062f\u0627\u0631\u06cc\u0645 \u06cc\u06a9 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0628\u0631\u0627\u06cc \u0630\u062e\u06cc\u0631\u0647 \u0627\u0637\u0644\u0627\u0639\u0627\u062a \u062f\u0631\u0628\u0627\u0631\u0647 \u06a9\u062a\u0627\u0628\u200c\u0647\u0627 \u0648 \u0646\u0648\u06cc\u0633\u0646\u062f\u06af\u0627\u0646 \u0622\u0646\u200c\u0647\u0627 \u0627\u06cc\u062c\u0627\u062f \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645. \u0627\u06cc\u0646 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0628\u0627\u06cc\u062f \u062c\u0632\u0626\u06cc\u0627\u062a\u06cc \u0645\u0627\u0646\u0646\u062f \u0646\u0627\u0645 \u0646\u0648\u06cc\u0633\u0646\u062f\u0647\u060c \u0622\u062f\u0631\u0633 \u0627\u06cc\u0645\u06cc\u0644 \u0648 \u0632\u0646\u062f\u06af\u06cc\u200c\u0646\u0627\u0645\u0647 \u0631\u0627 \u0631\u062f\u06cc\u0627\u0628\u06cc \u06a9\u0646\u062f\u060c \u0647\u0645\u0686\u0646\u06cc\u0646 \u0639\u0646\u0648\u0627\u0646 \u06a9\u062a\u0627\u0628\u060c \u062a\u0627\u0631\u06cc\u062e \u0627\u0646\u062a\u0634\u0627\u0631 \u0648 \u0698\u0627\u0646\u0631. \u0639\u0644\u0627\u0648\u0647 \u0628\u0631 \u0627\u06cc\u0646\u060c \u0645\u06cc\u200c\u062e\u0648\u0627\u0647\u06cc\u0645 \u0628\u062f\u0627\u0646\u06cc\u0645 \u06a9\u062f\u0627\u0645 \u0646\u0648\u06cc\u0633\u0646\u062f\u06af\u0627\u0646 \u06a9\u062f\u0627\u0645 \u06a9\u062a\u0627\u0628\u200c\u0647\u0627 \u0631\u0627 \u0646\u0648\u0634\u062a\u0647\u200c\u0627\u0646\u062f \u0648 \u06a9\u062f\u0627\u0645 \u06a9\u062a\u0627\u0628\u200c\u0647\u0627 \u062a\u0648\u0633\u0637 \u06a9\u062f\u0627\u0645 \u0645\u0634\u062a\u0631\u06cc\u0627\u0646 \u062e\u0631\u06cc\u062f\u0627\u0631\u06cc \u0634\u062f\u0647\u200c\u0627\u0646\u062f.<\/p>\n<p>\u0627\u06cc\u0646\u062c\u0627 ERD \u0627\u0633\u062a:<\/p>\n<p><img class=\"aligncenter\" decoding=\"async\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2023\/03\/erd-example-book-database.png\"\/><\/p>\n<p style=\"text-align: center;\"><a class=\"edit-template-v1\" href=\"https:\/\/online.visual-paradigm.com\/diagrams\/templates\/entity-relationship-diagram\/erd-example-book-database\/\">\u0627\u06cc\u0646 ERD \u0631\u0627 \u0648\u06cc\u0631\u0627\u06cc\u0634 \u06a9\u0646\u06cc\u062f<\/a><\/p>\n<h2>\u0645\u062b\u0627\u0644 ERD \u2013 \u0633\u06cc\u0633\u062a\u0645 ATM<\/h2>\n<p>\u0641\u0631\u0636 \u06a9\u0646\u06cc\u062f \u062f\u0627\u0631\u06cc\u0645 \u06cc\u06a9 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0628\u0631\u0627\u06cc \u0633\u06cc\u0633\u062a\u0645 \u0645\u0627\u0634\u06cc\u0646 \u062e\u0648\u062f\u06a9\u0627\u0631 \u0628\u0627\u0646\u06a9 (ATM) \u0637\u0631\u0627\u062d\u06cc \u0645\u06cc\u200c\u06a9\u0646\u06cc\u0645. \u0627\u06cc\u0646 \u067e\u0627\u06cc\u06af\u0627\u0647 \u062f\u0627\u062f\u0647 \u0628\u0627\u06cc\u062f \u062c\u0632\u0626\u06cc\u0627\u062a\u06cc \u0645\u0627\u0646\u0646\u062f \u0646\u0627\u0645 \u0645\u0634\u062a\u0631\u06cc\u060c \u0634\u0645\u0627\u0631\u0647 \u062d\u0633\u0627\u0628\u060c \u06a9\u062f \u0639\u0628\u0648\u0631 (PIN) \u0648 \u0645\u0648\u062c\u0648\u062f\u06cc \u062d\u0633\u0627\u0628 \u0631\u0627 \u0631\u062f\u06cc\u0627\u0628\u06cc \u06a9\u0646\u062f. \u0639\u0644\u0627\u0648\u0647 \u0628\u0631 \u0627\u06cc\u0646\u060c \u0645\u06cc\u200c\u062e\u0648\u0627\u0647\u06cc\u0645 \u0645\u06a9\u0627\u0646 \u0645\u0627\u0634\u06cc\u0646\u200c\u0647\u0627\u06cc ATM \u0648 \u062a\u0631\u0627\u06a9\u0646\u0634\u200c\u0647\u0627\u06cc \u0627\u0646\u062c\u0627\u0645 \u0634\u062f\u0647 \u062f\u0631 \u0647\u0631 \u0645\u0627\u0634\u06cc\u0646 \u0631\u0627 \u0631\u062f\u06cc\u0627\u0628\u06cc \u06a9\u0646\u06cc\u0645.<\/p>\n<p><img class=\"aligncenter\" decoding=\"async\" src=\"https:\/\/blog.visual-paradigm.com\/wp-content\/uploads\/2023\/03\/erd-example-atm.png\"\/><\/p>\n<p style=\"text-align: center;\"><a class=\"edit-template-v1\" href=\"https:\/\/online.visual-paradigm.com\/diagrams\/templates\/entity-relationship-diagram\/erd-example-atm\/\">\u0627\u06cc\u0646 \u0645\u062b\u0627\u0644 ERD \u0631\u0627 \u0648\u06cc\u0631\u0627\u06cc\u0634 \u06a9\u0646\u06cc\u062f<\/a><\/p>\n<h2 id=\"pbEQTpR\">\u062c\u0645\u0639\u0628\u0646\u062f\u06cc<\/h2>\n<p>\u062f\u0631 \u0627\u06cc\u0646 \u0645\u0642\u0627\u0644\u0647\u060c \u0645\u0641\u0647\u0648\u0645 \u0645\u062f\u0644\u200c\u0633\u0627\u0632\u06cc ER \u0631\u0627 \u0628\u0631\u0631\u0633\u06cc \u06a9\u0631\u062f\u06cc\u0645\u060c \u06a9\u0647 \u06cc\u06a9 \u0631\u0648\u0634 \u0628\u0631\u0627\u06cc \u0637\u0631\u0627\u062d\u06cc \u0648 \u0646\u0645\u0627\u06cc\u0634 \u0633\u0627\u062e\u062a\u0627\u0631\u0647\u0627\u06cc \u067e\u06cc\u0686\u06cc\u062f\u0647 \u062f\u0627\u062f\u0647 \u0627\u0633\u062a. \u0645\u0632\u0627\u06cc\u0627\u06cc \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0645\u062f\u0644\u200c\u0633\u0627\u0632\u06cc ER \u0631\u0627 \u0645\u0648\u0631\u062f \u0628\u062d\u062b \u0642\u0631\u0627\u0631 \u062f\u0627\u062f\u06cc\u0645\u060c \u0627\u0632 \u062c\u0645\u0644\u0647 \u062a\u0648\u0627\u0646\u0627\u06cc\u06cc \u0622\u0646 \u062f\u0631 \u0633\u0627\u062f\u0647\u200c\u0633\u0627\u0632\u06cc \u0633\u0627\u062e\u062a\u0627\u0631\u0647\u0627\u06cc \u067e\u06cc\u0686\u06cc\u062f\u0647 \u062f\u0627\u062f\u0647\u060c \u0634\u0641\u0627\u0641\u200c\u0633\u0627\u0632\u06cc \u0631\u0648\u0627\u0628\u0637 \u062f\u0627\u062f\u0647\u200c\u0647\u0627 \u0648 \u062a\u0633\u0647\u06cc\u0644 \u0627\u0631\u062a\u0628\u0627\u0637 \u0628\u06cc\u0646 \u0630\u06cc\u0646\u0641\u0639\u0627\u0646.<\/p>\n<p>\u0628\u0631\u0627\u06cc \u062a\u0648\u0636\u06cc\u062d \u0645\u0641\u0647\u0648\u0645\u060c \u0645\u0627 \u0645\u062b\u0627\u0644\u200c\u0647\u0627\u06cc\u06cc \u0627\u0632 \u0646\u0645\u0648\u062f\u0627\u0631\u0647\u0627\u06cc ER \u0631\u0627 \u0628\u0627 \u0627\u0633\u062a\u0641\u0627\u062f\u0647 \u0627\u0632 \u0627\u0628\u0632\u0627\u0631 PlantUML \u0627\u0631\u0627\u0626\u0647 \u06a9\u0631\u062f\u06cc\u0645\u060c \u0627\u0632 \u062c\u0645\u0644\u0647 \u06cc\u06a9 ERD \u0628\u0631\u0627\u06cc \u06cc\u06a9 \u06a9\u062a\u0627\u0628\u0641\u0631\u0648\u0634\u06cc \u0648 \u06cc\u06a9 ERD \u0628\u0631\u0627\u06cc \u0633\u06cc\u0633\u062a\u0645 ATM. \u0647\u0645\u0686\u0646\u06cc\u0646 \u062a\u0648\u0636\u06cc\u062d \u0645\u0633\u0626\u0644\u0647\u200c\u0627\u06cc \u0628\u0631\u0627\u06cc \u0633\u06cc\u0633\u062a\u0645 \u062b\u0628\u062a \u0646\u0627\u0645 \u062f\u0631\u0648\u0633 \u062f\u0627\u0646\u0634\u062c\u0648\u06cc\u0627\u0646 \u062f\u0627\u0646\u0634\u06af\u0627\u0647 \u062a\u0648\u0644\u06cc\u062f \u06a9\u0631\u062f\u06cc\u0645 \u0648 \u06cc\u06a9 ERD \u0627\u06cc\u062c\u0627\u062f \u06a9\u0631\u062f\u06cc\u0645\u060c \u0633\u067e\u0633 \u0628\u0647 \u0634\u0645\u0627 \u0628\u0631\u062e\u06cc \u0645\u062b\u0627\u0644\u200c\u0647\u0627\u06cc \u0628\u06cc\u0634\u062a\u0631 ERD \u0631\u0627 \u0627\u0631\u0627\u0626\u0647 \u0645\u06cc\u200c\u062f\u0647\u06cc\u0645.<\/p>\n<p>\u0628\u0647 \u0637\u0648\u0631 \u06a9\u0644\u06cc\u060c \u0645\u062f\u0644\u200c\u0633\u0627\u0632\u06cc ER \u0627\u0628\u0632\u0627\u0631\u06cc \u0645\u0641\u06cc\u062f \u0628\u0631\u0627\u06cc \u0637\u0631\u0627\u062d\u0627\u0646 \u0648 \u0630\u06cc\u0646\u0641\u0639\u0627\u0646 \u0627\u0633\u062a \u062a\u0627 \u0633\u0627\u062e\u062a\u0627\u0631\u0647\u0627\u06cc \u067e\u06cc\u0686\u06cc\u062f\u0647 \u062f\u0627\u062f\u0647 \u0648 \u0631\u0648\u0627\u0628\u0637 \u0628\u06cc\u0646 \u0622\u0646\u0647\u0627 \u0631\u0627 \u062f\u0631\u06a9 \u06a9\u0646\u0646\u062f. \u0628\u0627 \u0646\u0645\u0627\u06cc\u0634 \u0627\u06cc\u0646 \u0633\u0627\u062e\u062a\u0627\u0631\u0647\u0627 \u0628\u0647 \u0635\u0648\u0631\u062a \u0628\u0635\u0631\u06cc\u060c \u0645\u062f\u0644\u200c\u0633\u0627\u0632\u06cc ER \u0645\u06cc\u200c\u062a\u0648\u0627\u0646\u062f \u0627\u0631\u062a\u0628\u0627\u0637 \u0631\u0627 \u0633\u0627\u062f\u0647\u200c\u062a\u0631 \u06a9\u0631\u062f\u0647 \u0648 \u0627\u0637\u0645\u06cc\u0646\u0627\u0646 \u062d\u0627\u0635\u0644 \u06a9\u0646\u062f \u06a9\u0647 \u062a\u0645\u0627\u0645 \u0637\u0631\u0641\u06cc\u0646 \u062f\u0631 \u062f\u0631\u06a9 \u0645\u0639\u0645\u0627\u0631\u06cc \u0632\u06cc\u0631\u0628\u0646\u0627\u06cc\u06cc \u062f\u0627\u062f\u0647\u200c\u0647\u0627 \u062f\u0631 \u06cc\u06a9 \u0635\u0641\u062d\u0647 \u0642\u0631\u0627\u0631 \u062f\u0627\u0631\u0646\u062f.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u0645\u0642\u062f\u0645\u0647 \u0645\u062f\u0644\u0633\u0627\u0632\u06cc \u0645\u0648\u062c\u0648\u062f\u06cc\u062a-\u0631\u0627\u0628\u0637\u0647 (ER) \u0627\u0628\u0632\u0627\u0631\u06cc \u0642\u062f\u0631\u062a\u0645\u0646\u062f \u0628\u0631\u0627\u06cc \u0637\u0631\u0627\u062d\u06cc \u0648 \u0646\u0645\u0627\u06cc\u0634 \u0633\u06cc\u0633\u062a\u0645\u200c\u0647\u0627\u06cc \u062f\u0627\u062f\u0647\u200c\u0627\u06cc \u067e\u06cc\u0686\u06cc\u062f\u0647 \u0627\u0633\u062a. \u0627\u06cc\u0646 \u0631\u0648\u0634 \u0645\u062f\u0644\u0633\u0627\u0632\u06cc \u0628\u0647 \u062a\u0648\u0633\u0639\u0647\u200c\u062f\u0647\u0646\u062f\u06af\u0627\u0646 \u0627\u062c\u0627\u0632\u0647 \u0645\u06cc\u200c\u062f\u0647\u062f \u062a\u0627 \u0631\u0648\u0627\u0628\u0637 \u0628\u06cc\u0646 \u0645\u0648\u062c\u0648\u062f\u06cc\u062a\u200c\u0647\u0627\u06cc \u0645\u062e\u062a\u0644\u0641 \u062f\u0631 \u06cc\u06a9 \u0633\u06cc\u0633\u062a\u0645 \u0648 \u0648\u06cc\u0698\u06af\u06cc\u200c\u0647\u0627\u06cc \u0645\u0631\u062a\u0628\u0637 \u0628\u0627 \u0622\u0646\u200c\u0647\u0627 \u0631\u0627 \u0628\u0647 \u0635\u0648\u0631\u062a \u0628\u0635\u0631\u06cc \u0628\u0628\u06cc\u0646\u0646\u062f. 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