Section 1 - Instruction

You've learned about both RDS and DynamoDB. Each has its strengths: RDS for complex relational data with ACID transactions, and DynamoDB for high-speed, flexible, and scalable applications. Now let's practice choosing the right one.

Engagement Message

What's the key difference between structured and flexible data storage?

Section 2 - Practice

Type

Multiple Choice

Practice Question

A banking application needs to track account balances, transactions, and ensure data consistency across multiple related tables. Which database service is most appropriate?

A. Amazon DynamoDB - for high-speed performance B. Amazon RDS - for complex relationships and transactions C. Amazon S3 - for storing financial data D. Local database - for security reasons

Suggested Answers

  • A
  • B - Correct
  • C
  • D
Section 3 - Practice

Type

Sort Into Boxes

Practice Question

Sort these application requirements into the database service that best addresses them:

Labels

  • First Box Label: Amazon RDS
  • Second Box Label: Amazon DynamoDB

First Box Items

  • Complex queries
  • ACID transactions
  • SQL support

Second Box Items

  • Millisecond response
  • Flexible schema
  • Automatic scaling
Section 4 - Practice

Type

Fill In The Blanks

Markdown With Blanks

Fill in the blanks to complete this database comparison:

[[blank:Amazon RDS]] is ideal for applications requiring complex relationships and SQL queries, while [[blank:Amazon DynamoDB]] excels at simple, high-speed operations with flexible data structures.

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