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小商店銷售管理系統(tǒng)-wenkub

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【正文】 . 12 數(shù)據(jù)項(xiàng) ..................................................................................................... 12 數(shù)據(jù)結(jié)構(gòu) .................................................................................................. 13 數(shù)據(jù)流 ..................................................................................................... 13 數(shù)據(jù)存儲(chǔ) .................................................................................................. 14 處理過(guò)程 .................................................................................................. 14 2 概念結(jié)構(gòu)設(shè)計(jì) .............................................................................................................. 14 設(shè)計(jì)完成的總 ER 圖為: .................................................................................. 14 登錄數(shù)據(jù)流圖: ................................................................................................. 16 采購(gòu)錄入數(shù)據(jù)流圖: .......................................................................................... 16 銷售數(shù)據(jù)流圖: ................................................................................................. 17 營(yíng)業(yè)額查詢數(shù)據(jù)流圖: ...................................................................................... 17 查詢數(shù)據(jù)流圖: ................................................................................................. 18 3 邏輯結(jié)構(gòu)及物理結(jié)構(gòu)設(shè)計(jì) ............................................................................................ 21 將 ER 圖轉(zhuǎn)換為關(guān)系模式 .................................................................................. 21 物理設(shè)計(jì)(結(jié)合具體的 DBMS): ...................................................................... 21 4 應(yīng)用程序開(kāi)發(fā)(略) ................................................................................................... 21 5 總結(jié) ............................................................................................................................ 21 6 參考文獻(xiàn) .....................................................................................................................
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