3. Purpose of the Database
Model
• ADVANTAGES/STRENGTHS
• It minimizes the paper to released for the students
who will be using/access another library .
• Cost Cutting
• It will be not time consuming to process the referral
letter.
• The control number of the referral letter will not be
redundant.
• DISADVANTAGE/WEAKNESS
• Brown Out
• Unskilled person/staff
4. DEPARTMENTS
Department PK
1 STUDENTS
PK
S_ID Number 1
S_SName
S_FName
S_MName
S_Yr. Level REFERRALS
∞ Department R_Crtl. No.
FK R_School To
R_Date
S_ID Number ∞
FK