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#ERD #entity relationship diagram #database design #database schema #data model #software engineering

💾🏛️🔗

#database schema #relational model #data structure #database design #tables and columns #entity relationship diagram

🧱🔗💠🔗🧱

#entity relationship diagram #ERD structure #database schema #chen notation #conceptual model symbols #entity blocks #relationship diamond

📅🔗📅

#table relationships #relational schema #foreign keys #entity relationship diagram #database links #data integrity