试题详情
- 单项选择题NUMBER数据类型存储的最大精度是()。
A、12
B、38
C、127
D、64
- B
关注下方微信公众号,在线模考后查看
热门试题
- You issue the follo
- You want to display
- Which statement crea
- Which statemen
- Which options must y
- ()是用PL/SQL、Java和C编写的
- Which k
- You are p
- An online̳
- Your database&
- The EMPLOYEES&
- ()函数是按照某种分组方式计算出返回结果
- A shoot-out&en
- To view
- Which two statements
- Given: What is
- You have
- 在ALTER TABLE中,指定某列不可
- What is true about u
- You are m