[Solved] You have a custom parameter group with a parameter set to a non-default value. You want to revert this parameter to the default engine value without changing other parameters.... | AWS

AWS - RDS and Relational Databases

You have a custom parameter group with a parameter set to a non-default value. You want to revert this parameter to the default engine value without changing other parameters. What is the best approach?

ACreate a new parameter group with all default values and assign it

BModify the option group to reset parameters

CDelete the parameter group and recreate it with default settings

DModify the parameter and set its value to 'default' or remove it from the group

Step-by-Step Solution

Solution:

Step 1: Understand how to reset a parameter to default
You can reset a parameter by modifying it and setting its value to 'default' or removing the override.
Step 2: Avoid unnecessary changes
Creating a new group or deleting the group affects all parameters; option groups do not control parameters.
Final Answer:
Modify the parameter and set its value to 'default' or remove it from the group -> Option D
Quick Check:
Reset parameter by setting to default value [OK]

Quick Trick: Reset parameters by setting value to 'default' in parameter group [OK]

Common Mistakes:

Replacing entire parameter group unnecessarily
Confusing option groups with parameter groups
Deleting parameter groups causing downtime

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What is the best approach?

Step 1: Understand how to reset a parameter to default

Step 2: Avoid unnecessary changes

Final Answer:

Quick Check:

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