I want to do the changes interactively, not with code.

>

>BEGIN TRANSACTION T1
>
>   Update and Verify Data here
>
>if (Data Verified)
>   COMMIT TRANSACTION T1
>else
>   ROLLBACK TRANSACTION T1
>
>

>
>You may also Nested Transaction like this
>

>BEGIN TRANSACTION T1
>
>  BEGIN TRANSACTION T2
>
>   Update and Verify Data here
>  if (Data Verified)
>     COMMIT TRANSACTION T2
>  else
>     ROLLBACK TRANSACTION T2
>
>
>
>if (Data Verified)
>   COMMIT TRANSACTION T1
>else
>   ROLLBACK TRANSACTION T1
>
>