TechnicalWhiteboarding/problem solving

Explain the difference between SQL and NoSQL databases.

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Behavioral
  • Explain the difference between SQL and NoSQL databases.
  • How would you compare SQL and NoSQL databases in terms of structure and scalability?
  • What are the key use cases where NoSQL is preferred over SQL, and vice versa?
  • Can you explain how data storage and retrieval differ between SQL and NoSQL databases?
  • What factors should be considered when choosing between an SQL and a NoSQL database for a project?
  • How do transactional consistency and data integrity compare between SQL and NoSQL databases?
  • What are the performance trade-offs when using NoSQL versus SQL databases?
  • Can you give an example of when you recommended using NoSQL instead of SQL?
  • How does indexing work differently in SQL databases versus NoSQL databases?
  • What are the typical challenges in migrating from SQL to NoSQL?
  • How do SQL and NoSQL databases handle scalability and high availability differently?

Interview question asked to Technical Account Managers interviewing at Alteryx, Guidewire Software, Klarna and others: Explain the difference between SQL and NoSQL databases..