Another approach is to explicitly open the cursor again after ROLLBACK and skip the cursor pointer till the record read at the time of ROLLBACK.

另一种方法是在ROLLBACK之后再次显式地打开游标，然后在ROLLBACK时把游标指针跳到读取的记录。

youdao

IP address to hostname mappings are defined use the PTR (pointer) record.

IP地址到主机名的映射是使用PTR(指针)记录来定义的。

youdao

This makes it easy for functions to know where their activation record is — they are simply defined in terms of the stack pointer.

这对函数了解自己的活动记录在什么地方提供了方便——它们可以使用堆栈指针的形式简单地进行定义。

youdao