5. ៣.វិធីរចនរែង់ទិន្នន្័យ Design Data Models
សំរារ់ការរចនរែង់រន្េះប្កុមរយើងខ្ុំបាន្រប្ជើសយក Model ពីរសំរារ់រប្រើដូចជា៖
Model System Componentស
Data flow Diagram DFD
Entities Relational Diagram E-RD
System Requirements
Hardware :
Desktop or Laptop Computer
CPU Pentium dual core up
Ram 512 MB up
Display (1280 x 800)
Printer
Software :
Microsoft OS (window XP / SEVEN)
Microsoft Access 2003
15. Data Dictionary
Fields Data Type Keys Field Size Format
ID Auto number Primary Key Long Integer
Plate number Short text 20
Truck
Fields Data Type Keys Field Size Format
ID Auto number Primary Key Long Integer
Name Short text 50
Address Short text
Phone Number Number
Email Hyper Link
Supplier
16. Fields
Data Type Keys Field Size Format
ID Auto number Primary Key
Tire Code Number
Size Short text 25
Price Currency
Date in Stock Date/Time dd/mmm/yyyy
Location Short Text
SupplierID Number Foreign Key
Tire
Fields Data Type Keys Field Size Format
ID Auto number Primary
TireID Number Foreign Key
Truck No Number Foreign Key
Date of Change Date/Time dd/mmm/yyyy
Unit Price Currency
Duration Date/Time dd/mmm/yyyy
Status Short Text
Tire
Change
17. Fields Data Types Keys Field Size Format
ID Auto Number Primary Key Long Integer
Brand Short Text
Quantity Number
Price Currency
Date in Stock Date/Time dd/mmm/yyyy
Amount in Stock Number
Group Short Text
SupplierID number Foreign Key
Lubricants
Fields Data Types Keys Field Size Format
ID Auto number Primary Key Long Integer
LubricantID Number Foreign Key Long Integer
TruckID Number Foreign Key Long Integer
Date of Change Date/Time dd/mmm/yyyy
Unit Price Currency
Remark Short Text 50
Amount Number Integer
Lubricants
Changes
18. Fields Data Types Keys Field Size Format
ID Auto number Primary Key Long Integer
Coupon Number Short Text 50
Price Currency
Date in Stock Date/Time dd/mmm/yyyy
Amount Short Text 50
Remark Text 25
SupplierID Number Foreign Key
Fuels
Fields Data Types Keys Field Size Format
ID Auto Number Primary Key Long Integer
Coupon Number Short Text 50
Date Out Date/Time dd/mmm/yyyy
Amount Short Text 50
Fuel
Changes
19. Fields Data Types Keys Field Size Format
ID Auto Number Primary Key Long Integer
Username Short Text
Password Short Text
Type Short Text
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