AWS Solutions Architect Associate (SAA-C02) Exam Prep Course - 2021 UPDATED! - Amazon Web Services (AWS) Databases

The video tutorial introduces databases, explaining their history and types, including non-relational and relational databases. It focuses on AWS database services like DynamoDB and RDS, detailing their features, use cases, and management through AWS interfaces. DynamoDB is highlighted for its speed and simplicity, while RDS is noted for high availability and scalability.

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

• Non-relational databases are always faster than relational databases.

• Relational databases cannot be used in the cloud.

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

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

Which of the following is an example of a non-relational database?

• MySQL

• Oracle

• DynamoDB

• SQL Server

What is a key advantage of using DynamoDB?

• It supports complex queries across multiple tables.

• It is highly scalable and can handle millions of transactions quickly.

• It is only suitable for small datasets.

• It requires extensive setup and configuration.

Which AWS service is used for implementing relational databases?

• Aurora

• Redshift

• RDS

• DynamoDB

What is a unique feature of Amazon Aurora?

• It is compatible with Oracle databases.

• It is a non-relational database.

• It is designed for data warehousing.

• It is compatible with MySQL and is more efficient.

What does AWS RDS offer to ensure database availability?

• It limits access to a single user at a time.

• It allows databases to be stored in a single availability zone.

• It provides high availability by storing instances across different availability zones.

• It requires manual backup and recovery processes.

How does AWS RDS enhance database security?

• By allowing public access to all users.

• By encrypting data and ensuring only authorized access.

• By providing no authentication requirements.

• By storing data in unencrypted format.