This MongoDB Training Course focuses in the MongoDB technology as a tool to implement new ways to store and handle data that can be modeled as a document format.
MongoDB is one of the new open source databases that focus on the ideas of the NoSQL (Not Only SQL) approach. This database is employed to handle documents in a free schema design that gives to the developer great flexibility to store and use data.
All the examples and scenarios discussed are presented in real world situations. The main audiences of this course are an IT professional that have basic knowledge of programming and databases who wants to start with NoSQL technology through MongoDB.
Since the course focus on beginners and explain every basic concept there is no business requirements needed to be known before the start of the course.
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Mongo-DB is a document database which provides high performance, high availability and easy scalability.
What is “Namespace” in MongoDB?
MongoDB stores BSON (Binary Interchange and Structure Object Notation) objects in the collection. The concatenation of the collection name and database name is called a namespace.
What is sharding in MongoDB?
The procedure of storing data records across multiple machines is referred as Sharding. It is a MongoDB approach to meet the demands of data growth. It is the horizontal partition of data in a database or search engine. Each partition is referred as shard or database shard.
How can you see the connection used by Mongos?
To see the connection used by Mongos use db_adminCommand (“connPoolStats”);
Explain what is a replica set?
A replica set is a group of mongo instances that host the same data set. In replica set, one node is primary, and another is secondary. From primary to the secondary node all data replicates.