Dynamodb Interview Questions

11 real Dynamodb questions asked in live technical interviews — each with a model answer. Updated weekly.

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Given the services mentioned, here's a scenario: We have data in either an RDS instance or DynamoDB. We need to load it into Snowflake at regular intervals in an incremental manner. How would you do this?🟡 Medium · System Design · Asked 1×Do you have any exposure to AWS services such as Lambda, API Gateway, CloudWatch, and DynamoDB?🟢 Easy · Conceptual · Asked 1×Is it possible for the reporting team to query DynamoDB directly for dashboarding, or should we use Snowflake?🟡 Medium · Conceptual · Asked 1×Is DynamoDB suitable for dashboarding purposes?🟢 Easy · Conceptual · Asked 1×How are data warehouses different from databases? For example, DynamoDB is a database, Snowflake is a data warehouse. What is the main purpose of a data warehouse?🟡 Medium · Conceptual · Asked 1×Can you pitch the team to use DynamoDB or Snowflake for a particular use case?🟡 Medium · Conceptual · Asked 1×I have used Snowflake extensively. What is the difference between Snowflake and DynamoDB? Why did you use Snowflake and for what purpose?🟡 Medium · Conceptual · Asked 1×Can you connect a dashboarding application to DynamoDB? If a reporting team wants to use a dashboard, is DynamoDB a suitable data source?🟡 Medium · Conceptual · Asked 1×What are the advantages of PostgreSQL? Why would you choose DynamoDB over other databases like SQL Server?🟡 Medium · Conceptual · Asked 1×Why use DynamoDB? What are its use cases?🟢 Easy · Conceptual · Asked 1×We are putting Kafka and MSK streams into DynamoDB. We are facing challenges with windowing, window functions, and late-arriving data. How would you address these?🔴 Hard · Debugging · Asked 1×

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