Recovering lost data or undoing incorrect, committed changes. For example, if you mistakenly delete or update rows, and then commit them, you can immediately undo the mistake.

恢复丢失的数据或撤销已经提交的错误。例如如果你不小心删除或更新了行，并且做了提交操作，你可以立刻撤销这个错误。

youdao

You cannot undo the action of executing a Delete query.

无法撤消执行“删除”查询的操作。

youdao

I want to refresh my mind, delete all my problems, undo all my mistakes, and save all the happy moments.

我想刷新自己的思维，删除自己的毛病，撤销犯下的错误，保存所有欢乐的时光。

youdao

Compositing results can be viewed in real time on the camera's LCD monitor, and there is a one-step Undo command that allows photographers to delete an image and try again if desired.

ENGADGET: Canon unveils EOS 6D DSLR: full frame sensor and WiFi for $2,099 in December

This is where we break out onto the outer black buttons, which (among other things) contain controls for quantize, delete and -- thankfully for us -- undo.

ENGADGET: Ableton Push review: a dedicated controller for the Live faithful