AWS - DynamoDB
Which of the following is a valid primary key type in DynamoDB?
Which of the following is a valid primary key type in DynamoDB?
easy📝 Conceptual Q2 of 15
Step-by-Step Solution
Solution:
Step 1: Recall DynamoDB primary key types
DynamoDB supports simple primary keys (partition key only) or composite keys (partition key + sort key).Step 2: Evaluate options
Multiple partition or sort keys are not supported; a table must have exactly one partition key and optionally one sort key.Final Answer:
Composite key with partition key and sort key -> Option AQuick Check:
Primary key type = Composite key allowed [OK]
Quick Trick: Primary key can be simple or composite only [OK]
Common Mistakes:
- Trying to use multiple partition keys
- Omitting the partition key
- Assuming no key is allowed
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