PowerPoint Presentation
Royal University of Phnom PenhDepartment of Computer Science and
EngineeringDatabase System
.......Data Flow Diagram.Entities Relationship Diagram.Data
Dictionary.Forms
. RTC (+855) 23883783/(+855)23883773/(+855)23883718 Email:
[email protected] Website: www.rtctrans.com
.Primary Data Collection RTC Business Rules Project Secondary
Data Collection Video YouTube Website Assignments
. Design Data Models
Model Model System ComponentData flow Diagram DFDEntities
Relational Diagram E-RD System RequirementsHardware :Desktop or
Laptop ComputerCPU Pentium dual core upRam 512 MB upDisplay (1280 x
800)PrinterSoftware :Microsoft OS (window XP / SEVEN)Microsoft
Access 2003
.General Manager : RTC Co,Ltd
.(Business Rules)
.Table RTCTrucks (Truck No, Plate Name )Suppliers (ID, Name,
Address, Phone Number, Email)Tires (ID,TireCode, Brand, Size,
Price, Data in Stock, Location, SupplierID) Tire Change (ID,
TrieID, Truck No, Date of Change, Unit Price, Duration, Status)
.()Lubricants (ID, Brand, Quantity, Price, Date in Stock, Amount
in Stock, Group, SupplierID)Lubricant Change (ID, LubricantID,
TruckID, Date of Chang, Unit Price, Remark, Amount, Status)Fuel
(ID, Coupon Number, Price, Date in Stock, Amount in Stock, Remark,
SupplierID)Fuel Change (ID, FuelID, TruckID Date of Change,
Amount)Password (UserID, Username, Password)
.Data Flow DiagramDiagram Symbol
Process Data Flow Data Store Entity
General Data Flow
Data Storing Process
Data Releasing Process
Entities Relationship Diagram
Data DictionaryFieldsData TypeKeysField SizeFormatIDAuto
numberPrimary KeyLong IntegerPlate numberShort text20
TruckFieldsData TypeKeysField SizeFormatIDAuto numberPrimary
KeyLong IntegerNameShort text50AddressShort textPhone
NumberNumberEmailHyper Link
Supplier
FieldsData TypeKeysField SizeFormatIDAuto numberPrimary KeyTire
CodeNumberSizeShort text25PriceCurrencyDate in
StockDate/Timedd/mmm/yyyyLocationShort TextSupplierIDNumberForeign
Key
TireFieldsData TypeKeysField SizeFormatIDAuto
numberPrimaryTireIDNumberForeign KeyTruck NoNumberForeign KeyDate
of ChangeDate/Timedd/mmm/yyyyUnit
PriceCurrencyDurationDate/Timedd/mmm/yyyyStatusShort Text
Tire Change
FieldsData TypesKeysField SizeFormatIDAuto NumberPrimary KeyLong
IntegerBrandShort TextQuantityNumberPriceCurrencyDate in
StockDate/Timedd/mmm/yyyyAmount in StockNumberGroupShort
TextSupplierIDnumberForeign Key
LubricantsFieldsData TypesKeysField SizeFormat IDAuto
numberPrimary KeyLong IntegerLubricantIDNumberForeign KeyLong
IntegerTruckIDNumberForeign KeyLong IntegerDate of
ChangeDate/Timedd/mmm/yyyyUnit PriceCurrencyRemarkShort
Text50AmountNumberInteger
LubricantsChanges
FieldsData TypesKeysField SizeFormatIDAuto numberPrimary KeyLong
IntegerCoupon NumberShort Text50PriceCurrencyDate in
StockDate/Timedd/mmm/yyyyAmountShort
Text50RemarkText25SupplierIDNumberForeign Key
FuelsFieldsData TypesKeysField SizeFormatIDAuto NumberPrimary
KeyLong IntegerCoupon NumberShort Text50Date
OutDate/Timedd/mmm/yyyyAmountShort Text50
FuelChanges
FieldsData TypesKeysField SizeFormatIDAuto NumberPrimary KeyLong
IntegerUsernameShort TextPasswordShort TextTypeShort Text
Login
Login
Trucks
Tires
Tires Changes
Lubricants
Lubricant Changes
Fuels
Fuel Changes
Suppliers
Menu
