MongoDB Training

Course Overview:

MongoDB is one of the most important NoSQL databases you can work with these days. It's extremely popular and MongoDB developers are in high demand. ow to install and use MongoDB locally and in the cloud (MongoDB Atlas).In this course you can learn how to perform CRUD (Create, Read, Update, Delete) operations on MongoDB databases,filter for data efficiently, Mongo Shell and drivers (e.g. Node.js driver. MongoDB Atlas - the cloud solution offered by MongoDB.

Course Content:


♦ NoSQL Databases

♦ CAP Theorem

♦ Features of MongoDB?

♦ Installation overview

♦ Documents

♦ Collections

♦ Databases

♦ Starting and stopping MongoDB

Introduction to Mongo Shell

♦ Basic commands in Mongo shell

♦ Data Types in Mongo shell

♦ Inserting and saving documents

Batch Insert

Insert Validation

♦ Removing documents

♦ Updating documents

Update top level fields

Update an embedded field

Update multiple documents

Replace a document

Querying data in Mongo Shell

♦ Introduction to find command

♦ Limitations in querying data

♦ Query for All Documents in a Collection

♦ Query by a Top Level Field

♦ Query by a Field in an Embedded Document

♦ Query by a Field in an Array

♦ Specify Conditions with Operators

♦ Combine Conditions

Data Aggregation




♦ Pipeline Operations








Integrating MapReduce and MongoDB

♦ Example 1: Finding All Keys in a Collection

♦ Example 2: Categorizing Web Pages

Aggregation Commands

♦ $count

♦ $distinct

♦ $group

♦ Create a Single-Field Index

♦ Create a compound index.

♦ Indexing Embedded Documents

♦ Indexing Arrays

♦ When Not to Index

♦ Types of Indexes

Unique Indexes

♦ Sparse Indexes

♦ Introduction to Replication

♦ Replication in MongoDB

Replica Set Elections

Rollbacks during Replica set Failover



♦ Replica Set Members




♦ Replica Set Read and Write Semantics

♦ Consistency Considerations

♦ Introduction to Sharding

♦ Purpose of sharding

♦ Sharded Cluster Components

♦ Sharding in MongoDB

♦ Data Partitioning

♦ Maintaining a Balanced Data Distribution

♦ Choosing a shard key

Shard Key Limitations and guidelines

                  ♦ Adding shards from a replica set


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