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
A.數(shù)據(jù)傳輸加密B.從數(shù)據(jù)集中篩選出特定的信息或記錄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.控制模型的復雜性以防止過擬合C.數(shù)據(jù)模型設(shè)計D.增加數(shù)據(jù)存儲容量