問題詳情
48. 當資料庫未執行「並行(Concurrency)控制」時，在資料分享上遭遇的問題，是以下何者？①資料異動遺失(Lost update)②未確認資料相依(Uncommitted dependency)③ 不一致資料分析(Inconsistent analysis) ④ 循序式存取(Sequential access)？
(A)① ②③
(B)①②④
(C)① ③ ④
(D) ② ③ ④ 。
參考答案
答案：A
難度：計算中-1
書單：沒有書單，新增
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