试题详情
- 多项选择题Which three are true? ()
A、A MERGE statement is used to merge the data of one table with data from another.
B、A MERGE statement replaces the data of one table with that of another.
C、A MERGE statement can be used to insert new rows into a table.
D、A MERGE statement can be used to update existing rows in a table.
- A,B,C
关注下方微信公众号,在线模考后查看
热门试题
- Which three
- Media recovery
- FromSQL*Plus,youissu
- 假设ABC中的所有列均为字符数据类型,
- A programmer has an
- You want to display
- You are using a rec
- Given: What is
- What does&ensp
- Examine the data fr
- You have
- Which is an /SQL*Plu
- You are
- The EMPLOYEE tables
- You want
- 创建密码文件的命令是()。
- Identify the&e
- You are
- Which statement abou
- 如果要设置SQL*PLUS每页打印的数值