WebOne way would be to determine position of the array element that you want to remove and use $slice and $concatArrays. Note that if the position is already known then it's a simpler version of the same thing. Position known (P) db.example.update ( {}, [ {$set: { sequence: { $concatArrays: [ {$slice: [ "$sequence", P ]},

How to remove an element from an array in MongoDB

Web30 jul. 2024 · You can remove an array element by its index using the following two steps −. The first step is as follows −. db.yourCollectionName.update ( {}, {$unset : … Web17 nov. 2024 · And I want to delete a group from the ‘groups’ array based on given ‘userId’ and ‘groupId’, my attempt (with express and mongoose): router.delete ( … horton hears a who full movie clips

Remove nested object from array - Working with Data - MongoDB

Web7 feb. 2013 · 8 Answers. You can also do the update directly in MongoDB without having to load the document and modify it using code. Use the $pull or $pullAll operators to remove the item from the array : Favorite.updateOne ( { cn: req.params.name }, { $pullAll: { … WebIf the value is a document, MongoDB determines that the document is a duplicate if an existing document in the array matches the to-be-added document exactly; i.e. the existing document has the exact same fields and values and the fields are in the same order. As such, field order matters and you cannot specify that MongoDB compare only a subset of … WebMoved Permanently. The document has moved here. horton hears a who full movie part 1