首页/ 题库 / [单选题]DataAdapter 对象的Updat的答案

DataAdapter 对象的Update 查询语句中, 使用下列哪种Where 子句不能保证本行的更新不会覆盖其他用户的更改 (  )

单选题
2021-09-02 16:45
A、只包含主键列
B、包含数据源所有的列
C、包含主键列和一个时戳列
D、包含主键列和已修改列
查看答案

正确答案
A

试题解析

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