[音频]
A. She is always on time.
B. She feels disappointed.
C. She fails to catch teh train.
D. She is a strict woman.
[音频]
A. He is very tired.
B. He is very happy.
C. He is open-minded.
D. He is self-centered.
在嵌入式 SQL 语言中,为了把检索到的多个元组按照"一次一个元组"的方式处理,引入了以下哪个概念( )。
A. 宿主语言
B. 游标
C. DDL 语言
DML 语言
下列概念中,()不用于嵌入式SQL与宿主语言之间的交互。
A. 通信区
B. 游标
C. 主变量
D. 文件