[Qgis-user] Update second table

[chris hermansen]

L.W. and list

On Fri, Nov 13, 2020, 06:39 L.W. <eaglelw at gmx.de> wrote:

> hi,
>
> can I update a second table autom. if the value of first table changes?
>

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.

It seems that SQLite has triggers so I imagine you can do this within a
geopackage. Certainly if your data is in PostGIS / PostgreSQL.

Chris

>
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