Skip to main content
PreparationZone Logo
PreparationZone
Sign up
Back to Fundamentals

Fundamentals · Medium · Free

SQL vs NoSQL — decision checklist for campus projects.

FresherFundamentalsDatabase Fundamentals
Model answer

SQL vs NoSQL checklist

For SQL vs NoSQL — decision checklist for campus projects., interviewers listen for a crisp definition, how the pieces interact in a real system, and one trade-off or failure mode you have seen or would guard against.

  • Fixed schema, JOINs, transactions → SQL.
  • Flexible schema, horizontal scale, document/graph → NoSQL.
  • Many teams use both—polyglot persistence.
Campus project default: Postgres until proven otherwise.