OCP-1Z0-051-V9.02-37题

37. You issued the following command to drop the PRODUCTS table:

SQL> DROP TABLE products;

What is the implication of this command? (Choose all that apply.)

A. All data along with the table structure is  deleted. 

B. The  pending transaction in the session   is  committed. 

C. All indexes on the table will remain but they are   invalidated. 

D. All views and synonyms will remain but they are   invalidated. 

E. All data in the table are  deleted but the   table structure will  remain. 


Answer: ABD
答案解析:
A正确,表结构以及表中所有数据都删除。
B正确,提交所有待定的事务处理。
C错误,删除表后,在数据库中会失去表的所有数据以及与表关联的所有索引。
D正确,保留视图和同义词,但不再有效。
E错误,表结构以及表中所有数据都删除。
原文地址:https://www.cnblogs.com/hzcya1995/p/13316918.html