单选题Which of the following is a feature of a unit of work?（）A It applies to a single data server.B It is a recoverable sequence of operations.C Its value can be queried from the system catalog tables.D It begins when the application connects to the data se
题目
单选题
Which of the following is a feature of a unit of work?（）
A
It applies to a single data server.
B
It is a recoverable sequence of operations.
C
Its value can be queried from the system catalog tables.
D
It begins when the application connects to the data server.
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参考答案和解析
正确答案：
A
解析：
暂无解析