Answers for "mongodb remove a field from all documents"

13

remove property mongodb

db.myCollection.update({}, {$unset: {fieldToRemove:1}} , {multi: true});
Posted by: Guest on May-25-2020
4

mongodb delete all documents

db.collection.delete_many( { } );
Posted by: Guest on April-20-2020
7

mongo delete all documents

db.bios.remove( { } )
Posted by: Guest on May-05-2020
4

mongodb delete all documents

# To remove all documents in a collection, call the remove method with an empty query
# document {}. The following operation deletes all documents from the bios collection:

db.bios.remove( { } )
Posted by: Guest on July-17-2020
0

how to remove field from document in mongodb

=> Use the $unset field update operator to completely remove a field from a document.
{ $unset: { "field_name": "value" } }

=> You can specify multiple fields to remove by separating them with a comma.
{ $unset: { name: "", weight: "" } }
Posted by: Guest on June-09-2021

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