数据并发问题..plz帮助 [英] Data concurrency issue..plz help

问题描述

我用10条记录的表加载了数据集.记录之一将从后端删除.您如何在更新数据(检查哪个事件和步骤)并引发异常时检查10条记录是否全部存在.

I loaded the dataset with a table of 10 records. One of the records is deleted from the backend. How do you check whether all of the 10 records were present while updating the data(Which event and steps) and throw the exception.

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