A.數(shù)據(jù)傳輸加密B.將數(shù)據(jù)從應(yīng)用程序中提取并存儲在外部系統(tǒng)中C.數(shù)據(jù)模型設(shè)計D.增加數(shù)據(jù)備份
A.數(shù)據(jù)傳輸加密B.創(chuàng)建虛假數(shù)據(jù)以測試系統(tǒng)或保護隱私C.數(shù)據(jù)模型設(shè)計D.增加數(shù)據(jù)存儲容量
A.數(shù)據(jù)傳輸加密B.增加數(shù)據(jù)備份C.數(shù)據(jù)模型設(shè)計D.將嵌套結(jié)構(gòu)的數(shù)據(jù)壓縮為更小的形式以減少存儲空間