Which two statements are true about simple views？（）<br>A:Views can be created as read only.<br>B:Views are data segments like tables.<br>C:Views can be created on the basis of more than one table.<br>D:Data manipulation language （DML） operations cannot be performed on views.

Which two statements are true about simple views？（）
A:Views can be created as read only.
B:Views are data segments like tables.
C:Views can be created on the basis of more than one table.
D:Data manipulation language （DML） operations cannot be performed on views.

出自：Oracle认证

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