数据库中的行是原子单位，可以被当作一个整体进行加锁，读取和修改。

Every row is an atomic unit, to be locked, read, and updated as a whole.

youdao

从整体上来说是不错的，不过你还需要做一点小小的修改。

It was good overall, But you need to make some changes.

youdao

从整体上来说是不错的，不过你还需要做一点小小的修改。

It was good overall, But you need to make some changes.

youdao