题目内容

SQL Server 的数据库中主数据文件的扩展名是（）。

A. ．mdf
B. ．ndf
C. ．ldf
D. ．dbf

查看答案

搜索结果不匹配？点我反馈

更多问题

A. 外键
B. 主键
C. 索引
D. 数据库完整性

A. BACKUP DATABASE
B. RESTORE DATABASE
CREATE DARABASE
DROP DATABASE

A. Her grandfather.
B. Her grandmother
C. Her friend Erika.
D. Her little brother

A. By taking pictures for passers-by.
By selling lemonade andpictures
C. By workingpart time at a hospital.
D. By asking for help on social media.