Re: matching empty column
От
Alan Hodgson
Тема
Re: matching empty column
Дата
Msg-id
200608241031.29263@hal.medialogik.com
Ответ на
matching empty column (Srinivas Iyyer)
Список
Дерево обсуждения
matching empty column Srinivas Iyyer <srini_iyyer_bio@yahoo.com>
Re: matching empty column Alan Hodgson <ahodgson@simkin.ca>
Re: matching empty column Srinivas Iyyer <srini_iyyer_bio@yahoo.com>
Re: matching empty column Bruno Wolff III <bruno@wolff.to>
On Thursday 24 August 2006 10:27, Srinivas Iyyer wrote: > tar_id | mid | seq_id | lscore > --------+-------+--------+-------- > 32014 | | 50473 | 814 > 32015 | 67 | 50473 | 814 > The mid column is empty in certain places. how can I > search if there are empty spaces in mid. > select tar_id from table where mid is null; (assuming it's a numeric and not a text field set to '') -- Alan
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