试题详情
- 单项选择题（）代表了数据库中最小粒度的逻辑数据存储层次。
A、盘区
B、表空间
C、数据块
D、数据文件
- C
关注下方微信公众号，在线模考后查看
热门试题
- Evaluate this SQL st
- You need to modify t
- Given: IfclassDonke
- Which four statement
- Which of
- The SAVE_AMT&#
- 限制从EMP表中只选出前5条记录的查语句
- You are using replic
- Which command&
- A host na
- Youissuedthefollowin
- Which are iSQL*Plus
- Given: What is
- DRAGDROPClicktheTask
- DRAGDROPClicktheTask
- You have
- Which three statemen
- You observe
- You work
- You decided&en