Getkart Mongodb Database Administrator Interview Questions and Answers

Indexing in MongoDB is the process of creating an index on a field in a collection to improve query performance.

• Indexes are created using the createIndex() method in MongoDB.

• Indexes can be created on single fields or compound fields.

• Indexes can be unique, sparse, or TTL indexes for different use cases.

• Queries can use indexes to quickly locate documents based on the indexed fields.

Basic fundamentals of MongoDB include document-oriented data model, flexible schema, high availability, and horizontal scalability.

• Document-oriented data model: MongoDB stores data in flexible, JSON-like documents.

• Flexible schema: Fields can vary from document to document within a collection.

• High availability: MongoDB supports replica sets for automatic failover and data redundancy.

• Horizontal scalability: MongoDB can s...read more