Information Technology Reference
In-Depth Information
Emp-name
Birthday
Superclass Employee
"isa"
Subclass Instructor
Inst-name
Inst_addr
ID: Instructor OID
⊆
All Employee OID
Fig. 2.8
Data structure of superclass and subclass object
Patient
Insurance_cover
HKID
Patient_name
Insurance_co
Record_folder
Folder_no
Location
Medical_record
Medical_rec_no
Create_date
Sub_type
Ward_Record
AE_Record
Outpatient_record
Ward_no
Addmission_date
Discharge_date
AE_No
Outpatient_no
Specialty
Fig. 2.9
An object-oriented model for hospital patient record
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