试题详情
- 单项选择题只能存储一个值的变量是哪种变量?()
A、游标
B、标量变量
C、游标变量
D、记录变量
- B
关注下方微信公众号,在线模考后查看
热门试题
- 用于在启动实例时配置数据库,确定Orac
- ()是由PL/SQL所提供的系统异常。当
- You are using replic
- Which two statements
- Examine the structu
- Given: Whatistheres
- Sales details are b
- Which SQL statement
- Your boss
- As a res
- Your company
- Identify three
- The details&en
- 把一个表空间切换到OFFLINE状态时,
- 注册Oracle目标数据库的命令是()。
- What recommendations
- You work
- XYZ Corp. is in the
- Your database suppo
- A customerQ