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I need to remove any element from a Mongo database when I have two databases:

  1. mydatabase
  2. data-test-second

With the first database this isn't a problem, I use MongoClient:

self.db = self.client.mydatabase
result = self.db.test.delete_one({"name": 'testelement'})

bBt when I use this for a second database I have a problem with:

self.db = self.client.data-test-second

underlining the database name, how I can write this? Or I can't use this solution for the second name?

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  • its hard to follow your code. Can you explain it a bit more please? I think your issue is that you overwrite the first db instance with your second assignment. Commented Feb 5, 2020 at 12:20
  • self.db = self.client.data - test - second is a bad example. Please extract and provide a minimal reproducible example. Also, you need to descibe what problem you have, i.e. what you observed when running the example code. As a new user here, also take the tour and read How to Ask. Commented Feb 5, 2020 at 12:26

1 Answer 1

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7

In the case that your database name is not valid as an object name in Python, you need to address the database differently:

self.db = self.client["data-test-second"]

In general, it is probably advisable to always use this pattern.

For more information, you can refer to the documentation.

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2 Comments

Ok, can you tell me how I can create a database from code ? example new database name: "testing123" how write this ?
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