About This Architecture

Hospital management system ER diagram modeling patient, doctor, appointment, medical record, and billing entities with normalized relationships. PATIENT and DOCTOR entities connect to APPOINTMENT through one-to-many relationships, while MEDICAL RECORD and BILL entities reference both PATIENT and APPOINTMENT via foreign keys. This schema enforces referential integrity across outpatient clinic operations, enabling efficient querying of patient histories, appointment scheduling, and billing workflows. Fork this diagram on Diagrams.so to customize for your healthcare database implementation, add additional entities like prescriptions or lab results, or export as SQL DDL scripts. The design follows third normal form principles, minimizing data redundancy while maintaining HIPAA-compliant audit trails through appointment and record timestamps.

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What is the best database schema design for a hospital outpatient clinic management system?

This ER diagram models a hospital outpatient clinic with five core entities: PATIENT (demographics), DOCTOR (credentials), APPOINTMENT (scheduling), MEDICAL RECORD (clinical data), and BILL (financial tracking). Foreign key relationships enforce referential integrity—APPOINTMENT links PATIENT to DOCTOR, while MEDICAL RECORD and BILL reference both PATIENT and APPOINTMENT, enabling comprehensive au