MongoDB Opportunity



  • Hello Everyone, I have several interviews in the upcoming next 10 days. A recruiter told me they will check my MongoDB knowledge. So whats questions should I expect as a beginner point? I have good knowledge about MongoDB and I have checked on google but I am confused to find beginners level questions.



  • @shivambhatele said in MongoDB Opportunity:

    Hello Everyone, I have several interviews in the upcoming next 10 days. A recruiter told me they will check my MongoDB knowledge. So whats questions should I expect as a beginner point? I have good knowledge about MongoDB and I have checked on google but I am confused to find beginners level questions.

    Here is the list of questions, which are asked in the interviews:

    Question: What is Mongo shell?
    Question: How does MongoDB store data?
    Question: What type of NoSQL database is MongoDB?
    Question: List out the important features of MongoDB.
    Question: What are the data models in MongoDB?
    Question: MongoDB is called a schema-less database. Is it true? How to create the schema in MongoDB?
    Question: What is a namespace in MongoDB?
    Question: How do you perform CRUD operations in MongoDB?
    Question: What are the differences between MySQL and MongoDB?
    Question: How are constraints managed in MongoDB?
    Question: What is ObjectId? How is it structured?
    Question: What is BSON?
    Question: How does MongoDB do indexing?
    Question: Name the default index created for a new collection.
    Question: What is sharding in MongoDB?
    Question: What is a covered query and why is it important?
    Question: What is replication and what are the primary and secondary replica sets?
    Question: Name the 2 storage engines using MongoDB?
    Question: How to create and drop a collection in MongoDB?
    Question: What is journaling and how does it work?
    Question: How can you store images, videos and other large files in MongoDB?
    Question: Compare CouchDB and MongoDB.
    Question: In what ways is MongoDB better than MySQL? Explain.
    Question: What are the different index types in MongoDB?
    Question: What is an ACID transaction? Does MongoDB support it?
    Question: Explain the role of profiler in MongoDB.
    Question: How does MongoDB handle transactions and locks?
    Question: What is the command to list all the indexes in a collection?
    Question: How does MongoDB do text search?
    Question: What is the default interval to write updates to the disk?
    Question: Explain aggregation in MongoDB.
    Question: State the difference between find() and limit() method.
    Question: What have capped collections?
    Question: Explain the purpose of the map-reduce command in Mongo-DB.
    Question: List some of the data types supported by MongoDB.
    Question: How can applications access real-time data changes in MongoDB?
    Question: What are the commands to create a backup of the data and restore the data?
    Question: How do you refer to the current database in a statement? (by using db)
    

    To know the solution of these questions, Just this MongoDB interview questions blog post.


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