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Re: Select whats left from 1 table
Posted by: Peter Brawley
Date: June 29, 2014 03:39PM

An exclusion join, eg ...

select m.module_id
from tb_module m
left join tb_device_module dm on m.module_id=dm.fk_module_id
where dm.fk_mouule_id is null;

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Re: Select whats left from 1 table
June 29, 2014 03:39PM


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