题目内容

青铜分为（）两种。

A. 硅青铜和锡青铜
B. 锡青铜和无锡青铜
C. 硅青铜和无锡青铜
D. 硅青铜和无硅青铜

查看答案

搜索结果不匹配？点我反馈

更多问题

The RECYCLEBIN parameter is set to ON for your database. You drop a table, PRODUCTS, from the SCOTT schema.Which two statements are true regarding the outcome of this action?（）

All the related indexes and views are automatically dropped
B. The flashback drop feature can recover only the table structure
C. Only the related indexes are dropped whereas views are invalidated
D. The flashback drop feature can recover both the table structure and its data

查看答案