SQL语言的GRANT和REVOKE语句主要用来实现()A.数据库的安全性B.并发控制C.数据库的完整性D.数据库的可靠性
SQL语言的GRANT和REVOKE语句主要用来实现()
A.数据库的安全性
B.并发控制
C.数据库的完整性
D.数据库的可靠性
参考答案和解析
C
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