When to Use interview questions

12 When to Use questions from the NoSQL bank, written for Indian campus drives and tech interviews. Every question has a verified answer and an AI-tutor explanation on placd.

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1. What is Polyglot persistence?

Junior
  1. A.the situation where multi-entity transactions and ad-hoc joins make a SQL system the better choice
  2. B.a high-volume read or write pattern that motivates choosing a store designed to spread across many nodes
  3. C.the situation where evolving or heterogeneous records favor a non-relational store over rigid tables
  4. D.using several specialized storage technologies within one system, each chosen for the job it fits best

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2. Which term means: "using several specialized storage technologies within one system, each chosen for the job it fits best"?

Junior
  1. A.Polyglot persistence
  2. B.Relational fit
  3. C.Scale-out workload
  4. D.Flexible-schema fit

Answer + AI explanation with Pro

3. Which statement is correct?

Junior
  1. A.Polyglot persistence — the situation where evolving or heterogeneous records favor a non-relational store over rigid tables
  2. B.Polyglot persistence — the situation where multi-entity transactions and ad-hoc joins make a SQL system the better choice
  3. C.Polyglot persistence — using several specialized storage technologies within one system, each chosen for the job it fits best
  4. D.Polyglot persistence — a high-volume read or write pattern that motivates choosing a store designed to spread across many nodes

Answer + AI explanation with Pro

4. What is Flexible-schema fit?

Mid
  1. A.using several specialized storage technologies within one system, each chosen for the job it fits best
  2. B.a high-volume read or write pattern that motivates choosing a store designed to spread across many nodes
  3. C.the situation where evolving or heterogeneous records favor a non-relational store over rigid tables
  4. D.the situation where multi-entity transactions and ad-hoc joins make a SQL system the better choice

Answer + AI explanation with Pro

5. Which term means: "the situation where evolving or heterogeneous records favor a non-relational store over rigid tables"?

Mid
  1. A.Polyglot persistence
  2. B.Relational fit
  3. C.Scale-out workload
  4. D.Flexible-schema fit

Answer + AI explanation with Pro

6. Which statement is correct?

Mid
  1. A.Flexible-schema fit — a high-volume read or write pattern that motivates choosing a store designed to spread across many nodes
  2. B.Flexible-schema fit — the situation where multi-entity transactions and ad-hoc joins make a SQL system the better choice
  3. C.Flexible-schema fit — using several specialized storage technologies within one system, each chosen for the job it fits best
  4. D.Flexible-schema fit — the situation where evolving or heterogeneous records favor a non-relational store over rigid tables

Answer + AI explanation with Pro

7. What is Relational fit?

Mid
  1. A.the situation where evolving or heterogeneous records favor a non-relational store over rigid tables
  2. B.a high-volume read or write pattern that motivates choosing a store designed to spread across many nodes
  3. C.the situation where multi-entity transactions and ad-hoc joins make a SQL system the better choice
  4. D.using several specialized storage technologies within one system, each chosen for the job it fits best

Answer + AI explanation with Pro

8. Which term means: "the situation where multi-entity transactions and ad-hoc joins make a SQL system the better choice"?

Mid
  1. A.Scale-out workload
  2. B.Relational fit
  3. C.Polyglot persistence
  4. D.Flexible-schema fit

Answer + AI explanation with Pro

9. Which statement is correct?

Mid
  1. A.Relational fit — a high-volume read or write pattern that motivates choosing a store designed to spread across many nodes
  2. B.Relational fit — the situation where evolving or heterogeneous records favor a non-relational store over rigid tables
  3. C.Relational fit — using several specialized storage technologies within one system, each chosen for the job it fits best
  4. D.Relational fit — the situation where multi-entity transactions and ad-hoc joins make a SQL system the better choice

Answer + AI explanation with Pro

10. What is Scale-out workload?

Senior
  1. A.using several specialized storage technologies within one system, each chosen for the job it fits best
  2. B.a high-volume read or write pattern that motivates choosing a store designed to spread across many nodes
  3. C.the situation where multi-entity transactions and ad-hoc joins make a SQL system the better choice
  4. D.the situation where evolving or heterogeneous records favor a non-relational store over rigid tables

Answer + AI explanation with Pro

11. Which term means: "a high-volume read or write pattern that motivates choosing a store designed to spread across many nodes"?

Senior
  1. A.Polyglot persistence
  2. B.Scale-out workload
  3. C.Flexible-schema fit
  4. D.Relational fit

Answer + AI explanation with Pro

12. Which statement is correct?

Senior
  1. A.Scale-out workload — the situation where multi-entity transactions and ad-hoc joins make a SQL system the better choice
  2. B.Scale-out workload — using several specialized storage technologies within one system, each chosen for the job it fits best
  3. C.Scale-out workload — a high-volume read or write pattern that motivates choosing a store designed to spread across many nodes
  4. D.Scale-out workload — the situation where evolving or heterogeneous records favor a non-relational store over rigid tables

Answer + AI explanation with Pro

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