[Solved] Why must parameter groups be compatible with the database engine family in AWS RDS? — Ans: Because parameters vary by engine version and incompatible groups cause errors | AWS

AWS - RDS and Relational Databases

Why must parameter groups be compatible with the database engine family in AWS RDS?

ABecause option groups depend on parameter groups for feature support

BBecause parameters vary by engine version and incompatible groups cause errors

CBecause subnet groups require matching parameter groups for networking

DBecause security groups enforce parameter group compatibility

Step-by-Step Solution

Solution:

Step 1: Understand parameter group compatibility
Parameter groups must match the database engine family and version because parameters differ between engines and versions.
Step 2: Exclude unrelated dependencies
Option groups, subnet groups, and security groups do not enforce parameter compatibility.
Final Answer:
Because parameters vary by engine version and incompatible groups cause errors -> Option B
Quick Check:
Parameter groups must match engine family/version [OK]

Quick Trick: Match parameter group family to DB engine version [OK]

Common Mistakes:

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Why must parameter groups be compatible with the database engine family in AWS RDS?