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<p>Hi Mattijs,</p>
<p>one to many relations in QGIS are defined in the project
properties: Project -> Properties ->Relations, then press
the Add Relation button and define the parent and child
layers/tables and the corresponding fields. In the feature form
(with the identify tool) you will see the relation automatically.<br>
</p>
<pre class="moz-signature" cols="72">Mit freundlichen Grüßen
Stefan Giese
Projektleiter/Consultant
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bei der <a class="moz-txt-link-abbreviated" href="http://www.foss-academy.com">www.foss-academy.com</a>
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WhereGroup GmbH
Schwimmbadstr. 2
79100 Freiburg
Germany
Fon: +49 (0)761 / 519 102 - 61
Fax: +49 (0)761 / 519 102 - 11
<a class="moz-txt-link-abbreviated" href="mailto:stefan.giese@wheregroup.com">stefan.giese@wheregroup.com</a>
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Geschäftsführer:
Olaf Knopp, Peter Stamm
Amtsgericht Bonn, HRB 9885</pre>
<div class="moz-cite-prefix">Am 11.02.2020 um 16:50 schrieb
<a class="moz-txt-link-abbreviated" href="mailto:mattijs.vollenberg@laposte.net">mattijs.vollenberg@laposte.net</a>:<br>
</div>
<blockquote type="cite"
cite="mid:316290529.2673279.1581436252826.JavaMail.zimbra@laposte.net">
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<div style="font-family: times new roman, new york, times, serif;
font-size: 14pt; color: #000000">
<div>Hi, <br>
</div>
<div><br>
</div>
<div>I encounter a problem with the possibility of defining a
one to many relationship in Qgis 3. <br>
</div>
<div><br>
</div>
<div>I have one shapefile with points. Each point has an alias
(ex: Blt-1, Chp-1...), and information about this point. <br>
</div>
<div>I then have a table, without any geographical information,
with all the measurements at each point (for exemple multiple
measurements of depth in Blt-1, and in Chp-1...). The alias of
both tables are the same. But in the second table, it is not
unique. <br>
</div>
<div>How do I establish a good one to many relationship?<br>
</div>
<div><br>
</div>
<div>In other words, I would like that when I click on Blt-1,
all the measured depths appear. <br>
</div>
<div><br>
</div>
<div>Is this possible?<br>
</div>
<div><br>
</div>
<div>Thanks a lot for your help!<br>
</div>
<div><br>
</div>
<div>Mattijs<br>
</div>
</div>
<br>
<fieldset class="mimeAttachmentHeader"></fieldset>
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