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Why does server-side programming matter for maintaining data integrity in PostgreSQL?

hard📝 Conceptual Q10 of 15
PostgreSQL - PL/pgSQL Fundamentals
Why does server-side programming matter for maintaining data integrity in PostgreSQL?
AIt enforces rules and validations centrally before data changes are saved.
BIt allows clients to bypass database constraints.
CIt stores data without any validation.
DIt disables transaction controls.
Step-by-Step Solution
Solution:

  1. Step 1: Understand data integrity

    Data integrity means data is accurate and consistent, enforced by rules and validations.

  2. Step 2: Role of server-side programming

    Server-side code enforces these rules centrally, preventing invalid data from saving.

  3. Final Answer:

    It enforces rules and validations centrally before data changes are saved. -> Option A

  4. Quick Check:

    Server-side programming = Central data validation [OK]
Quick Trick: Centralize data rules on server to keep data correct [OK]
Common Mistakes:
  • Thinking clients can bypass constraints safely
  • Assuming no validation is needed
  • Believing transactions can be disabled safely

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