MongoDB – Update Document MongoDB”s update() and save() methods are used to update document into a collection. The update() method updates the values in the existing document while the save() method replaces the existing document with the document passed in save() method. MongoDB Update() Method The update() method updates the values in the existing document. […]
Category Archives: mongodb
MongoDB – Create Database In this chapter, we will see how to create a database in MongoDB. The use Command MongoDB use DATABASE_NAME is used to create database. The command will create a new database if it doesn”t exist, otherwise it will return the existing database. Syntax Basic syntax of use DATABASE statement is as […]
MongoDB – Drop Collection In this chapter, we will see how to drop a collection using MongoDB. The drop() Method MongoDB”s db.collection.drop() is used to drop a collection from the database. Syntax Basic syntax of drop() command is as follows − db.COLLECTION_NAME.drop() Example First, check the available collections into your database mydb. >use mydb switched […]