18 Questions
Which type of database is DynamoDB?
Non-relational
What is a key advantage of non-relational databases in terms of data structure?
They can handle variable structured data well
Why have non-relational databases grown in popularity compared to relational databases?
Because they can handle unstructured and semistructured data well
What is a limitation of relational databases that non-relational databases were designed to overcome?
Horizontal scaling difficulties
In terms of scalability, what advantage do non-relational databases offer over relational databases?
Horizontal scaling capability
What type of database is designed to store and query data as JSON documents?
Nonrelational database
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.
What characteristic of DynamoDB makes it suitable for applications needing fast response times at any scale?
Single-digit-millisecond latency
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
In a relational database, data is organized by which of the following?
Tables, records, and columns
What is the primary advantage of using a nonrelational database over a relational database?
Scalability
Which type of database allows for a more dynamic schema and flexible data storage approach?
Document database
What are some administrative tasks you are responsible for when running your own relational database?
Data security and server maintenance
Which of the following is a key feature of Amazon RDS?
Automating administrative tasks
What does Amazon RDS provide in terms of capacity?
Cost-efficient and resizable capacity
How does AWS help with the challenges of running an unmanaged relational database?
By automating setup, operation, and scaling
In what environment does Amazon RDS set up and operate relational databases?
In the cloud
What distinguishes Amazon RDS from running an unmanaged relational database?
Automated setup, operation, and scaling
Explore the differences between relational and non-relational databases, including the advantages and disadvantages of each. Learn about the structured query language (SQL) used in relational databases and the scalability challenges faced by non-relational databases.
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