數(shù)據(jù)庫語義的完整性 semantic database integrity: 語義數(shù)據(jù)庫完整性data integrity: 數(shù)據(jù)完整性,數(shù)據(jù)完備性; 數(shù)據(jù)完整性數(shù)據(jù)完整性; 資料完整semantic data: 語義數(shù)據(jù)base basic semantic element: 基本語義單位centralized data integrity: 集中式數(shù)據(jù)完整性下載手機(jī)詞典可隨時(shí)隨地查詞查翻譯