A.數(shù)據(jù)傳輸加密B.記錄數(shù)據(jù)的某一時刻狀態(tài)或版本C.數(shù)據(jù)模型設計D.增加數(shù)據(jù)存儲容量
A.數(shù)據(jù)傳輸加密B.解析數(shù)據(jù)以提取所需信息C.數(shù)據(jù)模型設計D.增加數(shù)據(jù)存儲容量
A.數(shù)據(jù)傳輸加密B.使數(shù)據(jù)具有可追溯性和可靠性的參考點C.數(shù)據(jù)模型設計D.增加數(shù)據(jù)備份