Re: Problema SQL
Posted by:
goldemish
Date: March 16, 2007 06:12AM
Ho provato con una subquery:
SELECT * FROM STRUTTURE s WHERE NOT EXISTS (
SELECT id FROM PRENOTAZIONI k WHERE (
($datain BETWEEN k.dal AND k.al)
OR
($dataout BETWEEN k.dal AND k.al)
OR
(k.dal<=$datain AND k.al>=$dataout)
)AND s.id=k.id_struttura
)
Troppo complicato? Si può ottimizzare?
Grazie
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March 15, 2007 05:12PM
Re: Problema SQL
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March 16, 2007 06:12AM
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