DynamoDB - Access Patterns and Query Optimization
Which of the following is the correct way to define a partition key in a DynamoDB table using single-table design?
Which of the following is the correct way to define a partition key in a DynamoDB table using single-table design?
easy📝 Syntax Q12 of 15
Step-by-Step Solution
Solution:
Step 1: Recall key structure in single-table design
Single-table design uses a partition key and a sort key to organize data efficiently.Step 2: Identify correct key assignment
PartitionKey: userId, SortKey: orderId correctly assigns userId as partition key and orderId as sort key, which is common for grouping orders by user.Final Answer:
PartitionKey: userId, SortKey: orderId -> Option CQuick Check:
Partition and sort keys = userId and orderId [OK]
Quick Trick: Partition key groups items; sort key orders them [OK]
Common Mistakes:
MISTAKES- Using combined keys as partition key only
- Swapping partition and sort keys incorrectly
- Using concatenated keys without sort key
Master "Access Patterns and Query Optimization" in DynamoDB
Want More Practice?
15+ quiz questions · All difficulty levels · Free
Free Signup - Practice All QuestionsMore DynamoDB Quizzes