You are working as a Solutions Architect for a technology company which is in the process of migrating their applications to AWS
. One of their systems requires a database that can scale globally and can handle frequent schema changes. The application should not have any downtime or performance issues whenever there is a schema change in the database. It should also provide low-latency response to high-traffic queries. Which is the most suitable database solution to use to achieve this requirement?
DynamoDB is a cloud service. Amazon hosts all the infrastructure needed to run an instance of DynamoDB for its customers. In return, customers must pay for the following:
Every read request
Every write unit request
Each byte of storage used (storage)
The currency for these requests are RCU (Read Capacity Units) and WCU (Write Capacity Units). In general, a DynamoDB table needs to have a certain provisioned RCU / WCU (// B) at the time of creation (can be modified at any time as well) and the table can serve as many readings / writes as needed, as long as the RCU / Provisioned WCU support traffic.
Answer: The colonies resented the fact that they were being taxed, and some colonists argued that Britain did not have the right to tax the colonies, as there were no colonial representatives in Parliament.
