第1题:
A.Languages(LanguageID,Name)Elements(ElementID,Description)ElementLanguages(ElementID,LanguageID,Text)
B.Languages(LanguageID,Name)Elements(ElementID,LanguageID,Description,Text)
C.Languages(LanguageID,Name)ElementTexts(LanguageID,Text)ElementDescriptions(ElementID,Description)
D.Languages(LanguageID,Name)Elements(ElementID,Description,Text)
第2题:
第3题:
第4题:
A. many - to - one
B. one - to - one
C. one - to - many
D. many - to - many
第5题:
第6题: