[Solved] You wrote this AWS CLI command to create an RDS instance:aws rds create-db-instance --db-instance-identifier testdb --engine mysql8.0 --allocated-storage 20 --db-instance-class db.t3.... | AWS

AWS - RDS and Relational Databases

You wrote this AWS CLI command to create an RDS instance:

aws rds create-db-instance --db-instance-identifier testdb --engine mysql8.0 --allocated-storage 20 --db-instance-class db.t3.micro --master-username admin --master-user-password secret

Why does this command fail?

AAllocated storage must be at least 100 GB

BThe engine name 'mysql8.0' is invalid; use 'mysql' instead

Cdb-instance-class db.t3.micro is not supported for RDS

DMissing required parameter 'master-username'

Step-by-Step Solution

Solution:

Step 1: Check engine parameter format
AWS RDS expects 'mysql' as engine name, not 'mysql8.0'. Version is specified separately.
Step 2: Verify other parameters
Allocated storage of 20 GB is valid; db.t3.micro is supported; master-username and other required parameters are present.
Final Answer:
Engine name 'mysql8.0' is invalid; use 'mysql' -> Option B
Quick Check:
Engine name must be 'mysql' [OK]

Quick Trick: Use 'mysql' engine name, specify version separately [OK]

Common Mistakes:

MISTAKES

Appending version to engine name
Wrong storage size assumptions
Ignoring required parameters

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You wrote this AWS CLI command to create an RDS instance:

Step 1: Check engine parameter format

Step 2: Verify other parameters

Final Answer:

Quick Check:

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