Ok, thank you! I do think that since the database will probably grow relatively large, I don't want to be too wasteful with the space, and slightly slower imports are probably fine. I'll try to get the trigger working and maybe I'll do a comparison with the unique key method too.

In reply to Re^4: [OT] SQL "on duplicate key" custom action by haukex
in thread [OT] SQL "on duplicate key" custom action by haukex

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