Created
April 29, 2017 09:08
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mongodb commands I find useful, especially when dealing with embedded documents.
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| //To remove a field from each document. Whenever I introduce a field by mistake | |
| db.example.update({}, {$unset: {words:1}} , {multi: true}); | |
| //To search in array of objects in mongodb | |
| db.collection.find( { field1: { $elemMatch: { one: 1 } } } ); | |
| //To update array of objects in mongodb console | |
| db.roles.update({"userId" : ObjectId("58a191b8d02dde3638a5a4ee"), "children.requestStatus" : 'Rejected'},{$set : {"children.$.requestStatus" : "Authorized"}}) | |
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