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dr.beavis
 Post subject: Primaerschlüssel aus 2 attributen
PostPosted: Thu Sep 20, 2007 4:04 am 
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Joined: Thu Sep 20, 2007 3:24 am
Posts: 2
hi,

wie bildet man in einer hbm.xml-datei einen schlüssel ab der aus 2 attributen besteht und eins der beiden attributen ist ein fremdschlüssel?

Beispiel-Tabelle:

Buchseite hat den schlüssel Buch_ID und Seite. Buch_ID ist fremdschlüssel aus der Relation Buch.
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LaLiLuna
 Post subject:
PostPosted: Mon Oct 08, 2007 4:13 pm 
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Expert

Joined: Tue Nov 23, 2004 7:00 pm
Posts: 570
Location: mostly Frankfurt Germany
composite id verwenden und bei der Beziehung updatable, insertable auf false setzen

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