Learn MongoDB 4.x by Doug Bierer

Author:Doug Bierer
Language: eng
Format: mobi, epub
Tags: COM084010 - COMPUTERS / Desktop Applications / Databases, COM062000 - COMPUTERS / Data Modeling and Design, COM018000 - COMPUTERS / Data Processing
Publisher: Packt Publishing
Published: 2020-09-11T06:31:12+00:00

Updating the database

The last piece of the puzzle is to define a method in the property domain service class that accepts form data and updates the database. Because we are adding room types to an embedded list within a document in the properties collection, the database operation we need to perform is not an insert, but rather an update.

MongoDB update operators

MongoDB update operators (https://docs.mongodb.com/manual/reference/operator/update/#update-operators) are needed in order to effect changes when performing an update. Update operators are categorized according to what element they affect: fields, arrays, modifiers, and bitwise.

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