On 7 August 2013 15:25, Simon Slavin <slav...@bigfraud.org> wrote:
>
> On 7 Aug 2013, at 9:50am, techi eth <techi...@gmail.com> wrote:
>
>> I am trying to update 100 variables at a time & due to some of the reason 99
>> th or any mid index variable cause update to fail.
>>
>> In that case this query has to execute it again for the entire variable or
>> only for failed variable.
>
> If the whole of the UPDATE cannot be completed, none of the UPDATE is done.
>
> Simon.

If a conflict arises, none of the row is updated.
But see http://www.sqlite.org/lang_conflict.html. An update with
ignore conflict resolution can update rows even if some rows cause
conflict; those rows that cause conflict will be skipped.

Regards,
Simon
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