Oracle OCP 19c 认证1Z0-082考试题库(第19题)
Oracle OCP 19c 认证1Z0-082考试题库(第19题)-CUUG内部学员版082题库解析
19、choose the best answer Evaluate the following SQL statement:
ALTER TABLE hr.emp
SET UNUSED (mgr_id);
Which statement is true regarding the effect of the above SQL statement?
A) Any views created on the EMP table that include the MGR_ID column would be automatically modified and remain valid.
B) Any constraints defined on the MGR_ID column would be removed by the above command.
C) Any synonym existing on the EMP table would have to be re-created.
D) Any index created on the MGR in column would continue to exist until the DROP UNUSED COLUMNS command is executed.
-
标签错误:<!-- #Label#
labelId=20160707140604
moduleId=1
classId=12231768634
orderby=2
fields=url,title,u_info
attribute=
datatypeId=22192428132
recordCount=3
pageSize=
<htmlTemplate><dt><img src="/images/index_26${index}.jpg" width="100" height="62" /><a href="$url" title="${title}">${title}</a><span>${api.left(u_info,60)}</span></dt></htmlTemplate>
-->
- 我要参加技术沙龙
