You ran the command aws rds create-db-snapshot --db-instance-identifier mydb but received an error. What is the most probable reason?

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AWS - RDS and Relational Databases

You ran the command aws rds create-db-snapshot --db-instance-identifier mydb but received an error. What is the most probable reason?

AAutomated backups must be enabled before creating manual snapshots

BThe RDS instance <code>mydb</code> does not exist

CThe <code>--db-snapshot-identifier</code> parameter is missing

DYou need to specify the AWS region explicitly

Step-by-Step Solution

Solution:

Step 1: Review the command syntax
The create-db-snapshot command requires both --db-instance-identifier and --db-snapshot-identifier parameters.
Step 2: Identify missing parameter
The command is missing the --db-snapshot-identifier which specifies the name of the snapshot.
Final Answer:
The missing --db-snapshot-identifier parameter causes the error -> Option C
Quick Check:
Check for required parameters in AWS CLI docs [OK]

Quick Trick: Always include snapshot identifier when creating snapshots [OK]

Common Mistakes:

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