solution2(database)
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TRANSCRIPT
1
Ch. 2: Problems and Exercises 15a
Employee_ID
Start_Date
Billing_Rate Project_ ID
EMPLOYEE PROJECTIs_assigned
Project_NameBirthdateAddressName
2
Ch. 2: Problems and Exercises 15b
CHEMIST
Employee_ID
Name Phone No
PROJECT
Project_ID
Start Date
EQUIPMENT
CostSerial No
CHEMISTASSIGNMENT
Assign Date
3
Course_ID
COURSE
UnitsCourse_Name
Has_scheduled
SECTION
YearSemester
Semester_ID
Section_Number
Ch. 3: Problems and Exercises 15c
4
Physician_ID
Treatment_Detail
SpecialtyPatient_
Name
Patient_ID
PHYSICIAN PATIENT
Admits
Treats
Date Time Results
Ch. 2: Problems and Exercises 15d
5
Ch. 2: Project Exercise 2
Is_assigned
TREATMENT
Treatment_ID
Treatment_NameTreatment_No
CENTER
Center_ID Center__Name
Assigned
Hours_per_week Emp_NameEmp_No
EMPLOYEE
Nurse_in_chargeHas
BED
Bed_No
Room_No
PATIENT
Patient_ NamePatient_No
Consume
Date Quantity
Total _Cost
Refers PHYSICIAN
Physician_IDPhysician_Name
ITEM Unit_Cost
DescriptionItem_No
Performs
Treatment_TimeTreatment_Date
ResultsTime
Center_ID
6
Ch. 2: Project Exercise 3
• No. The entity type ITEM has a Unit_Cost attribute, but has no provision to represent a unit cost per day which would be required for items such as in-room TVs.
7
Ch. 2: Project Exercise 4
Bed_No
Center_ID Room_No Bed_Num
8
Ch. 2: Project Exercise 5
ITEM Item_NoPATIENT
Patient_No
CENTER ROOMContains
Billed_to
Contains
Room_No
Total_cost
Center_ID Center_Name
Patient_Name Description
Unit_cost
Date
Time
Quantity
9
Ch. 2: Project Exercise 6• Yes. Any combination of patient and treatment
has multiple physicians who perform that treatment.
Ch. 3: Project Exercise 7• Yes. The diagram records the date, time, and
results for each treatment occurrence performed by a physician on behalf of a patient.