All work and no play makes Jack a ( )boy. (prov. )
A:clever B:bright C:intelligent D:dull
East and west, home is ( ). (prov.)
A:best B:worst C:nearest D:farthest
All work and no play makes Jack a ______ boy. (prov. )
A:clever B:bright C:intelligent D:dull
East and west, home is ______. (prov.)
A:best B:worst C:nearest D:farthest
下列不属于非平凡函数依赖的是______。
A:(CustomerID,ProviderID,BuyDate)→GoodsName B:(CustomerID,ProviderID,BuyDate)→GoodsName,ProviderID C:(CustomerID,ProviderID,BuyDare)→GoodsClassID D:(CustomerID,ProvideIID,BuyDate)→ProviderID
下列不属于非平凡函数依赖的是______。
A:(CustomerID,ProviderID,BuyDate)→GoodsName B:(CustomerID,ProviderID,BuyDate)→GoodsName,ProviderID C:(CustomerID,ProviderID,BuyDate)→GoodsClassID D:(CustomerID,ProviderID,BuyDate)→ProviderID
下列不属于非平凡函数依赖的是______。
A:(CustomerID,ProviderID,BuyDate)→GoodsName B:(CustomerID,ProviderID,BuyDate)→GoodsName,ProviderID C:(CustomerID,ProviderID,BuyDare)→GoodsClassID D:(CustomerID,ProvideIID,BuyDate)→ProviderID
下列不属于非平凡函数依赖的是______。
A:(CustomerID,ProviderID,BuyDat→GoodsName B:(CustomerID,ProviderID,BuyDat→GoodsName,ProviderID C:(CustomerID,ProviderID,BuyDat→GoodsClassID D:(CustomerID,ProviderID,BuyDat→ProviderID