Answer Posted / Tajpal Singh

MongoDB and MySQL differ in several aspects:n1. Data Model: MongoDB uses a NoSQL, document-oriented data model while MySQL uses a traditional SQL, relational data model.n2. Scalability: MongoDB can scale horizontally by sharding across multiple machines, whereas MySQL usually scales vertically by adding more resources to a single server.n3. Performance: MongoDB is designed for high performance with large and unstructured data, while MySQL excels in small, structured data with transactions and ACID compliance.n4. Query Language: MongoDB uses the BSON document format and the MongoDB Query Language (MQL), while MySQL uses SQL.

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