問題詳情
22. Concurrency control deals with:
(A)The control over users whosimultaneously use a computer
(B)The control over users who haveconflicting interests
(C)The control over electronic messages using the samecommunication channel
(D)The control over users who simultaneously usethe same database
參考答案
答案：D
難度：計算中-1
書單：沒有書單，新增