A.數(shù)據(jù)傳輸加密B.探索并查找新的數(shù)據(jù)源或信息C.數(shù)據(jù)模型設(shè)計(jì)D.增加數(shù)據(jù)存儲(chǔ)容量
A.數(shù)據(jù)傳輸加密B.減少數(shù)據(jù)密度以節(jié)省存儲(chǔ)空間C.數(shù)據(jù)模型設(shè)計(jì)D.增加數(shù)據(jù)備份
A.數(shù)據(jù)傳輸加密B.將多個(gè)數(shù)據(jù)源或類(lèi)型結(jié)合在一起C.數(shù)據(jù)模型設(shè)計(jì)D.增加數(shù)據(jù)存儲(chǔ)容量