Relational vs Non-Relational Databases

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Which type of database is DynamoDB?

Vertical scaling
Non-relational (correct)
Horizontal scaling
Relational

What is a key advantage of non-relational databases in terms of data structure?

They can handle variable structured data well (correct)
They use structured query language (SQL)
They require many joins for normalized data
They have difficulties scaling out horizontally

Why have non-relational databases grown in popularity compared to relational databases?

Because they can handle unstructured and semistructured data well (correct)
Because they require many joins for normalized data
Because they have difficulties scaling out horizontally
Because they use structured query language (SQL)

What is a limitation of relational databases that non-relational databases were designed to overcome?

Horizontal scaling difficulties (D) Signup and view all the answers

In terms of scalability, what advantage do non-relational databases offer over relational databases?

Horizontal scaling capability (C) Signup and view all the answers

What type of database is designed to store and query data as JSON documents?

Nonrelational database (D) Signup and view all the answers

How does horizontal scaling differ from vertical scaling in database systems?

Horizontal scaling involves adding servers and partitioning data, while vertical scaling involves adding resources to a single server. (B) Signup and view all the answers

What characteristic of DynamoDB makes it suitable for applications needing fast response times at any scale?

Single-digit-millisecond latency (D) Signup and view all the answers

Which type of database would be most suitable for handling a dataset that needs to be partitioned over multiple servers for scalability?

Key-value database (D) Signup and view all the answers

In a relational database, data is organized by which of the following?

Tables, records, and columns (B) Signup and view all the answers

What is the primary advantage of using a nonrelational database over a relational database?

Scalability (C) Signup and view all the answers

Which type of database allows for a more dynamic schema and flexible data storage approach?

Document database (A) Signup and view all the answers

What are some administrative tasks you are responsible for when running your own relational database?

Data security and server maintenance (C) Signup and view all the answers

Which of the following is a key feature of Amazon RDS?

Automating administrative tasks (C) Signup and view all the answers

What does Amazon RDS provide in terms of capacity?

Cost-efficient and resizable capacity (D) Signup and view all the answers

How does AWS help with the challenges of running an unmanaged relational database?

By automating setup, operation, and scaling (B) Signup and view all the answers

In what environment does Amazon RDS set up and operate relational databases?

In the cloud (A) Signup and view all the answers

What distinguishes Amazon RDS from running an unmanaged relational database?

Automated setup, operation, and scaling (C) Signup and view all the answers