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<p>they are not in the same database at the same datebase-server :-(</p>
<p>i forgot to tell ...</p>
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<div class="moz-cite-prefix">Am 13.11.2020 um 17:02 schrieb chris
hermansen:<br>
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<div dir="auto">L.W. and list<br>
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<div dir="ltr" class="gmail_attr">On Fri, Nov 13, 2020, 06:39
L.W. <<a href="mailto:eaglelw@gmx.de" target="_blank"
rel="noreferrer" moz-do-not-send="true">eaglelw@gmx.de</a>>
wrote:<br>
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<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">hi,<br>
<br>
can I update a second table autom. if the value of first
table changes?<br>
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<div dir="auto">This is pretty easy if the tables are in a
relational database. You use a thing called a trigger, perhaps
together with a stored procedure.</div>
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<div dir="auto">It seems that SQLite has triggers so I imagine
you can do this within a geopackage. Certainly if your data is
in PostGIS / PostgreSQL.</div>
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<div dir="auto">Chris</div>
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