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Asked: 2026-05-31T13:07:50+00:00

My django application has some 500 records in various tables in the database( postgres

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My django application has some 500 records in various tables in the database(postgres).I want to add some 4 more records to a particular table.I have created(edited by hand )a json file that represents the new data to be added and I have taken care to provide them new ids so that they don’t conflict with existing records in db.

What I want to know is whether the existing data(the original 500 records) will be deleted when I call

django-admin.py loaddata mydata.json

Or will the new data be added to the existing records?

p.s:
Is there any way I can convert the whole data in db into a json file?Using serializers is time consuming when there are many model classes.

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1 Answer

  1. Editorial Team

    You should do a backup before the loaddata if it’s mission critical.

    That said, loaddata just adds or updates records, it doesn’t delete the existing ones.

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