LLD - Advanced LLD Concepts
A developer wrote a module that directly accesses a database from multiple places without any abstraction layer. What anti-pattern does this illustrate?
A developer wrote a module that directly accesses a database from multiple places without any abstraction layer. What anti-pattern does this illustrate?
medium📝 Analysis Q6 of Q15
Step-by-Step Solution
Solution:
Step 1: Define Leaky Abstraction
Leaky abstraction occurs when internal details (like DB access) are exposed instead of hidden.Step 2: Match scenario
Direct DB access everywhere shows abstraction leaks, matching Leaky Abstraction.Final Answer:
Leaky Abstraction -> Option CQuick Check:
Direct DB access = Leaky Abstraction [OK]
Quick Trick: Expose internals? That's leaky abstraction [OK]
Common Mistakes:
MISTAKES- Confusing tight coupling with leaky abstraction
- Thinking shotgun surgery means DB access
- Misunderstanding magic numbers
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