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I want to update from ecoivent 3.9 to 3.10, can I just merge and don't worry about the duplicate data?
in openLCA by (120 points)

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First, make a backup of your current database, then, if you import the new database in JSON-LD format (which you need to create first, export the zolca as JSON-LD) and select overwrite if newer, then processes and other things from ecoinvent will be overwritten with processes etc. from 3.10, but this always requires some checking since processes might have changed or disappeared, or new processes will be added, and thus the model will need to be linked differently than before. We aim to improve this process quite a bit with a next release of openLCA though.
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