Re: SELECT WHERE NOT, is not working

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От MargaretGillon@chromalloy.com
Тема Re: SELECT WHERE NOT, is not working
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Msg-id OF0B7A3673.2F150A87-ON88256F80.007D2A9C-88256F80.007CEDD7@CHROMALLOY.COM
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Ответ на Re: SELECT WHERE NOT, is not working  (Ragnar Hafstað <gnari@simnet.is>)
Ответы Re: SELECT WHERE NOT, is not working  (Steve Crawford <scrawford@pinpointresearch.com>)
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Thanks, Ragnar,

You are right in what is happening. The code was supposed to be sending ''
but it is sending NULL instead. I see now -- in PostgreSQL to look for any
record without the 'X' I have to use a combined condition because a NULL is
not included in a != statement.

select count(*) from resource where reengine is NULL or NOT (reengine =
'X') ;

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Margaret Gillon, IS Dept., Chromalloy Los Angeles, ext. 297


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