98普考計概 - 普考

By John
at 2013-02-10T03:11
at 2013-02-10T03:11
Table of Contents
資料庫使用並行控制讓多個交易同時進行具有多項優點。請問下列哪一項錯誤?
(A)每個交易的執行時間會縮短
(B)可以同時處理數個交易,提高效率
(C)重新組織執行交易內的指令,避免相互干擾
(D)重新組織執行交易內的指令,避開瓶頸
答案是A
我想知道BCD正確的理由,謝謝
--
(A)每個交易的執行時間會縮短
(B)可以同時處理數個交易,提高效率
(C)重新組織執行交易內的指令,避免相互干擾
(D)重新組織執行交易內的指令,避開瓶頸
答案是A
我想知道BCD正確的理由,謝謝
--
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