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Why is the Specification pattern preferred over building queries with string concatenation in Spring Boot?

hard📝 Conceptual Q10 of 15
Spring Boot - Advanced Patterns
Why is the Specification pattern preferred over building queries with string concatenation in Spring Boot?
AIt provides type safety, reusability, and prevents SQL injection.
BIt automatically caches all queries for faster performance.
CIt requires less code than string concatenation.
DIt only works with native SQL queries.
Step-by-Step Solution
Solution:

  1. Step 1: Understand benefits of Specification pattern

    Specification uses Criteria API which is type-safe and reusable, reducing errors and injection risks.

  2. Step 2: Compare with string concatenation

    String concatenation is error-prone and vulnerable to SQL injection, unlike Specification.

  3. Final Answer:

    It provides type safety, reusability, and prevents SQL injection. -> Option A

  4. Quick Check:

    Specification = type-safe, reusable, secure queries [OK]
Quick Trick: Specification prevents SQL injection and ensures type safety [OK]
Common Mistakes:
  • Assuming Specification caches queries automatically
  • Believing Specification requires less code always
  • Thinking Specification only works with native SQL

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