問題詳情
41. Which statement(s) of the view in SQL is(are) true?
(A) SQL views can be used to hide columns and rows only
(B) The SQL statement to create a view is MAKE VIEW
(C) To update an SQL view, the DMBS must be able to associate the column(s) to beupdate with a particular row in a particular underlying table
(D) One of the purpose of using views is to hide complicated SQL statement
(E) SQL views can be used to hide complicated SQL syntax
參考答案
答案：C,D,E
難度：非常困難0
統計：A(1),B(1),C(4),D(5),E(5)