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Document Model MongoDB documents are displayed in JSON format, but stored in BSON. Compared to JSON, BSON supports additional data types, like dates, numbers of various types and ObjectIds. { "_id": 1, "name": "AC3 Phone", "colors": ["blac...
Insert and Find Documents Insert Documents in a Collection Insert a single document db.grades.insertOne({ student_id: 654321, class_id: 550, }) Insert multiple documents db.grades.insertMany([ { student_id: 546789, class_id: 551, }, ...
A multi-document transaction is a group of database operations that will be completed together as a unit or not at all. They are used when a group of related operations must either all succeed or fail together, which is a property called atomicity. L...
Definitions Aggregation: Collection and summary of data Stage: One of the built-in methods that can be completed on the data, but does not permanently alter it Aggregation pipeline: A series of stages completed on the data in order Structure of ...