Choose threeide
Which three are true about granting object privileges on tables, views, and sequences?three
A) UPDATE can be granted only on tables and views.it
B) DELETE can be granted on tables, views, and sequences.table
C) REFERENCES can be granted only on tables and views.class
D) INSERT can be granted on tables, vews, and sequences.object
E) SELECT can be granted only on tables and views.date
F) ALTER can be granted only on tables and sequences.權限
Answer:ACFtab
(解析:update 和 delete 只能在表和視圖上受權,不能在 sequence 上。di
只有 SELECT 和 ALTER 權限對序列有效;
)