Hi @janpeter.van.d / @Celopeers .
I need to query Table A and look for all distinct Machinename . After that I need to update Table B, If Machinename exists so ok. If not, need to create new lines in Table B with 'No ID' field at location
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Hello Ricardo,
Do you want to do this in Vertica?
Maybe something like this:
SELECT
CASE WHEN ColumnC in (SELECT Machinename FROM TableA)
THEN ColumnA
ELSE 'NO ID' END AS ColumnA
, ColumnB
, ColumnC
FROM TableB
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