试题详情
- 多项选择题Which two statements about views are true? （）
A、A view can be created as read only.
B、A view can be created as a join on two or more tables.
C、A view cannot have an ORDER BY clause in the SELECT statement.
D、A view cannot be created with a GROUP BY clause in the SELECT statement.
E、A view must have aliases defined for the column names in the SELECT statement.
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