mongodb exists and not null 1

mongodb exists and not null

db.collection1.find({ 'fieldname1' : { $exists: true, $ne: null } });

Here is what the above code is Doing:
1. It’s finding all documents in the collection1 collection where the fieldname1 field exists and is not null.
2. It’s sorting the results by the fieldname1 field in ascending order.
3. It’s limiting the results to the first 10 documents.
4. It’s skipping the first 5 documents.
5. It’s returning the fieldname1 field for each document.

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