如果数据集包含约束(如外键约束)，则可能导致引发异常，取决于对数据集执行操作的顺序。

If a dataset contains constraints (such as a foreign-key constraint) it is possible to cause exceptions to be thrown depending on the order of operations performed against the dataset.

youdao

如果数据集包含约束(如外键约束)，则可能导致引发异常，取决于对数据集执行操作的顺序。

If a dataset contains constraints (such as a foreign-key constraint) it is possible to cause exceptions to be thrown depending on the order of operations performed against the dataset.

youdao