SQL vs NoSQL trade-offs
viaGlassdoor
Prompt Compare a relational database (PostgreSQL) with NoSQL stores (Cassandra/MongoDB) and explain when you would choose each.
Be ready to discuss
- Data model fit: relational/normalized vs document vs wide-column.
- Indexing, and read vs write scaling (single-primary + replicas vs partitioned/leaderless).
- Consistency models: ACID transactions vs BASE / tunable consistency.
- Concrete selection criteria: query patterns, scale, consistency needs, and operational cost.
asked …