Updating multiple documents in MongoDB

In this blog post we are going to learn the process of updating multiple documents in MongoDB. MongoDB provides us with update() function to achieve the same. Here are few use cases : db.users.find(); { "_id" : ObjectId("537da62d770359c2fb4668e2"),...

MongoDB : Difference between save and insert

MongoDB uses save and insert option for adding new records in the database. Let me explain the difference between two : Insert : insert is used to add a document in a mongodb collection Save : save is used to add as well as update a document in a mongodb collection....

Starting with Mongodb

– Mongodb is basically a database system that is document oriented and Nosql type. -Typically we call a table as a collection and a record as a document as oppose to tables and rows in RDBMS. -One of its advantage is that it does not restrict a us to a structure...

Installing and Configuring MongoDB

MongoDB is a NoSQL database that is cross platform and is a document-based system. It can be easily installed in an Ubuntu server from the command-line. In Ubuntu 12.04 LTS repositories it’s current version is 2.0.4. To install it in Debian / Ubuntu, open up a...

Working with MongoDB using Java

Hello guys, This is my first post on this blog. In this post i am going to explain how to interact with MongoDB using Java.First we need to install MongoDB using apt-get command in Ubuntu. Once we have installed MongoDB, we need a MongoDB jar file(Driver) which we...

MongoDB for MySQL Developers : Part 1

MongoDB for MySQL/RDBMS Developers : Part 1 This is my for first post for “Mongodb for Mysql developers series”. I come from RDBMS background and these were things which were new to me: MySQL - MongoDB "Database" - "Database"...