Update document mongo db manual

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    mongodb update array

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    mongodb update multiple documents with different values

    See docs.mongodb.org/manual/tutorial/modify-documents/#update-multiple- db.foo.update({}, {$set: {lastLookedAt: Date.now() / 1000}}, { multi: true }).
    For the document matching the criteria _id equal to 100 , the following operation uses the $set operator to update the value of the quantity field, details field, and
    The following operation updates all documents with Sector greater than 4 and inspector equal
    Specify the operator expression in a document of the form: copy. copied of a document. Has no effect on update operations that modify existing documents.
    If I understand the question correctly, you want to update a document with the contents of another . city: ‘NY’, street: ‘Eighth Avenu’, number: 123 } }; var instructions = dot.flatten(person) Take a look: Updating nested documents in mongodb.
    4 days ago MongoDB provides the update() command to update the documents of a collection. To update only the documents you want to update, you can
    The syntax for this parameter depends on the MongoDB version. See Upsert Parameter. multi, boolean, Optional. If set to true, updates multiple documents that
    The method can modify specific fields of an existing document or documents or replace an existing document entirely, depending on the update parameter.
    It is recommended that you always specify whether you want to update multiple documents or a single document, as the database may change its defaultHow to update documents in MongoDB. How to update a single document in MongoDB. How to update multiple documents in MongoDB. How to update all


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