Oracle OCP 19c 认证1Z0-082考试题库(第18题)
最新学讯：近期OCP认证正在报名中，因考试人员较多请尽快报名获取最近考试时间，报名费用请联系在线老师，甲骨文官方认证，报名从速！
我要咨询Oracle OCP 19c 认证1Z0-082考试题库(第18题)-CUUG内部学员版082题库解析
18、Evaluate the following ALTER TABLEstatement:
ALTER TABLE orders SET UNUSED (order_date);
Which statement is true?
A. After executing the ALTER TABLEcommand, you can add a new column called ORDER_DATE to the ORDERS table.
B. The ORDER_DATE column should be empty for the ALTER TABLE command to execute succsessfully.
C. ROLLBACK can be used to get back the ORDER_DATE column in the ORDERStable.
D. The DESCRIBE command would still display the ORDER_DATE column.
本文地址：http://www.cuug.com.cn/ocp/082kaoshitiku/27143784962.html 转载请注明！
