save() - Save a document command

Saves an inserted or updated JSON document in a collection. If a document in a collection has the same ID as a new document, the existing document is replaced. Otherwise, the new document is inserted.

Syntax diagram

Read syntax diagramSkip visual syntax diagramdb.collection. save(document)

Command parameters

document
This parameter specifies the JSON document to save.

Example

Save a JSON document in a collection: 
db.books.save({isbn: "123-456-239", 
              "author": "Verne, Jules",  "title": "Mysterious Island" })
Sample output is as follows:
OK