Editing Einführung SQL1
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<code>S</code> sei die Menge aller österreichischen Städte (Domäne <code>S</code>) (Wien, Linz, Eisenstadt, Bregenz, …) | <code>S</code> sei die Menge aller österreichischen Städte (Domäne <code>S</code>) (Wien, Linz, Eisenstadt, Bregenz, …) | ||
<code>F</code> sei die Menge aller österreichischen Flüsse (Domäne <code> | <code>F</code> sei die Menge aller österreichischen Flüsse (Domäne <code>R</code>) (Mur, Donau, Inn, …) | ||
<code>R</code> sei die Relation <code>liegt am / liegt an der</code> | <code>R</code> sei die Relation <code>liegt am / liegt an der</code> |