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Which two statements are true regarding views?()

发布日期:2020-04-10

Which two statements are true regarding views?()
A

A subquery that defines a view cannot include the GROUP BY clause

B

A view that is created with the subquery having the DISTINCT keyword can be updated

C

A view that is created with the subquery having the pseudo column ROWNUM keyword cannot be updated

D

A data manipulation language (DML) operation can be performed on a view that is created with the subquery having all the NOT NULL columns of a table

标签: statements true views

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