How to recover deleted/updated record in sql server or mysql?
You always have a choice to use a recovery tools, such as ApexSQL Log for example. Not only that you can recover deleted rows, but you can also choose which rows you are going to recover. 

It can recover your data from on-line, backup or detached transaction logs.

I have tried that tool and it could be the life saver.

See: How to recover SQL Server data from accidental UPDATE and DELETE operations