题目内容

为了考虑安全性，每个教师只能存取自己讲授课程的学生成绩，为此DBA应创建()

A. 视图(view)
B. 索引(index)
C. 游标(cursor)
D. 表(table)

查看答案

搜索结果不匹配？点我反馈

更多问题

A great scientist once said that success was "two percent of ______ ,ninety--eight percent

A. inspiration
B. intuition
C. imagination
D. incentive

间日疟疾复发

Many scientists ______ the new damage to the forests to be the result of higher levels of

A. resumed
B. perfumed
C. presumed
D. consumed

治疗感冒风寒挟湿，身热不扬，身重苔腻，脉濡者。用