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By : Asma & Maram To : miss suhad

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Entities Section Employee Traders Goods Import export Customers

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. .

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Section Id section Name section Phone Number Address section Area of the section

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Section area Id section Name Address Phone Number

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, . .

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employee SSn Employee name Employee address Date of birth Mobile number E-mail Employee type The time start of work The time expires

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employee Employee Name Mobile Number SSN Employee Address Employee Type Date of Birth E-mail The time expires The time Start of work

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sectionemployee Works on The number of daily working hours N 1 The time Start of work The time expires

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, , .

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Traders Merchant Name Address, home address, work address Phone number,( shop, mobile) E-mail SSN

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Traders Date of birth Merchant Name Phone number E-mail Address SSn

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goods Code goods Name goods Wholesale price ( ) Retail ( ( The number of pieces in each cartons Expiration date Production date The place of manufacture

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goods Retail Production date gCode Wholesale price The place of manufacture gName number of pieces Expiration date

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EmployeeGoods buy N M Traders M number of cartons

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.

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Exports Rental Electric bill Water bill Purchase of goods (product code and the number and method of purchase) Salaries of employees Debt to Year,, date,,,month

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Exports Rental Purchase of goods Water bill Debt to Salaries of employees Electric bill Year,, date number

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GoodExports Added to N1

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.

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Imports Goods sold Number of goods sold Method of sale Debt unpaid Year / Date,,,month

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Imports Goods sold Method of sale Year / Date,,,month Debt unpaid Number of goods sold

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GoodsImports Added to N1

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Customers cName cAddress SSN Phone and mobile The amount of debt Amount of allowable debt

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Customers allowable debt SSN cName Debt amount cAddress phone

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Employeegoods sell N M Customer M

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Section Employee Works on The number of daily working hours N 1 Goods buy N Traders M number of cartons M sell M Customer M N M import Added to 1 export 1 N The time Start of work The time expires

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Relational Model

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Section Employee eSSNEnameEaddressB_dateEphoneE-mailEtypeTstartTexpires secIdsecNamesecAddresssecPhonesecArea Works_on secIdeSSNTime StartTime expires Goods gCodegNameRetailProdu date Expira date Wholesale price place of manufacture Traders TSSNTAddress BirthDPhoneNoTNameE-mail Buy gCodeeSSNtSSNnumber cartons

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Customer cNamecAddressCSSNcPhoneamount of debtallowable debt cAddress cSSNAddres cPhone cSSNPhone Sell cSSNgCodeeSSN Employee eSSNEnameEaddressB_dateEphoneE-mailEtypeTstartTexpires Goods gCodegNameRetailProdu date Expira date Wholesale price place of manufacture

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Import date Goods Sold nogoods sold Method of sale Method of sale Goods gCodegNameRetailProdu date Expira date Wholesale price place of manufacture Add to date gCode Exports date RentalWater billElectric bill Debt tonumberPurchase of goods Salaries

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