I want to update the content of one table considering the data from another (that includes information for several cells from the first table) table using OrbisGIS V4.0 la Rochelle.
Checking previous posts I tried to use the following expression:
sql("update ah_B a set ah1=(select b.density from grd_b1_B b where a.gid=b.gid);");
but it did not worked.
Could anyone help me to do this procedure in OrbisGIS ?
Thanks in advance,
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