AWS Certified Solutions Architect Associate (SAA-C03) - AWS Databases

The video tutorial introduces databases, explaining their purpose and types, including non-relational and relational databases. It highlights AWS database services like DynamoDB and RDS, detailing their features, use cases, and management through AWS interfaces. The tutorial emphasizes the speed and simplicity of DynamoDB and the scalability and security of RDS, providing insights into AWS's cloud-based database solutions.

What is the primary difference between a non-relational and a relational database?

• Non-relational databases use tables, while relational databases do not.

• Relational databases cannot store customer information.

• Non-relational databases are slower than relational databases.

• Relational databases use tables that are related, while non-relational databases do not use related tables.

Why was DynamoDB originally created by Amazon?

• To compete with Oracle databases.

• To provide a free database solution.

• To handle increased workload during the Christmas season.

• To replace Excel for data storage.

Which of the following is a key feature of DynamoDB?

• It is known for fast read operations.

• It supports multiple related tables.

• It is primarily used for data warehousing.

• It is compatible with Oracle.

What is a unique feature of Amazon Aurora compared to MySQL?

• It does not support relational data.

• It is slower than MySQL.

• It is compatible with Oracle.

• It can run up to five times faster than MySQL.

What is the primary use of Amazon Redshift?

• To replace Excel spreadsheets.

• To store small snippets of information.

• To serve as a data warehouse for business analysis.

• To manage customer orders.

What is a key benefit of using AWS RDS for relational databases?

• It is only compatible with DynamoDB.

• It does not support high availability.

• It cannot be accessed from mobile devices.

• It allows for scalability and increased security.

How can AWS databases be accessed from various devices?

• Only through a desktop computer.

• As long as the application and authentication are in place, they can be accessed via the internet.

• Through the AWS console only.

• By using a local network connection.