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					 What does Control-_ do in MySQL input editor?
 
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- undoes last change
 - deletes the current line
 - pastes from clipboard
 - copies to clipboard
 - None of these
 
 
Correct Option: A
Control-_ undoes the last change that was made. This can be repeated. The mysql input editor has a variety of commands to facilitate editing while providing inputs to the command line itself.