Follow along with the video below to see how to install our site as a web app on your home screen.
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sieht soweit gut aus, aber eigentlich sollten das keine 1:1 beziehungen sondern 1:n beziehungen sein, denn sonst wäre die tabelle überflüssig (was sie ja nicht ist).
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id_group_member (Key) || Benutzerdaten_usr_id (FK) || group_number || form_filled_flag
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