在SQL语言中,实现数据库安全性控制的语句是
A.OMMIT 和ROLLBACK
B.HECK 和OPTION
C.GRANT 和REVOKE
D.ASCADE 和RESTRIT
正确答案是C
扫描二维码免费使用微信小程序搜题/刷题/查看解析。
版权声明:本文由翰林刷题小程序授权发布,如需转载请注明出处。
本文链接:https://doc.20230611.cn/post/525746.html
上一篇:Choose the best answer for each of the following questions according to the text.Fighting the War against Computer Crime1.Virtually every company with a computer is vulnerable tocomputer abuse, crime and accident. Security of the computer and
下一篇:可以提供书证的入主要包括