A company is deploying a new two-tier web application in AWS. The company has limited staff and requires
high availability, and the application requires complex queries and table joins. Which configuration provides
the solution for the company’s requirements?
A.
MySQL Installed on two Amazon EC2 Instances in a single Availability Zone
B.
Amazon RDS for MySQL with Multi-AZ
C.
Amazon ElastiCache
D.
Amazon DynamoDB
Explanation:
http://www.allthingsdistributed.com/2013/03/dynamodb-one-year-later.html
B
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B
not D because:
While Amazon DynamoDB tackles the core problems of database scalability, management, performance, and reliability, it does not have all the functionality of a relational database. It does not support complex relational queries (e.g. joins) or complex transactions. If your workload requires this functionality, or you are looking for compatibility with an existing relational engine, you may wish to run a relational engine on Amazon RDS or Amazon EC2.
Source: https://aws.amazon.com/dynamodb/faqs/
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Correct answer is D
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Cant do joins on dynamo
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no seenagape, see link of JM
While Amazon DynamoDB tackles the core problems of database scalability, management, performance, and reliability, it does not have all the functionality of a relational database. It does not support complex relational queries (e.g. joins) or complex transactions. If your workload requires this functionality, or you are looking for compatibility with an existing relational engine, you may wish to run a relational engine on Amazon RDS or Amazon EC2.
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The answer is not D. DynamoDB does not support complex relational queries (e.g. joins). See https://aws.amazon.com/dynamodb/faqs/.
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answer is D
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Sorry answer is B not D
https://aws.amazon.com/nosql/
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B
When is it appropriate to use DynamoDB instead of a relational database?
From our own experience designing and operating a highly available, highly scalable ecommerce platform, we have come to realize that relational databases should only be used when an application really needs the complex query, table join and transaction capabilities of a full-blown relational database. In all other cases, when such relational features are not needed, a NoSQL database service like DynamoDB offers a simpler, more available, more scalable and ultimately a lower cost solution.
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Exactly.
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Answer is B
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Answer is B
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B
RDS Multi AZ deployment (application requires complex queries and table joins with high availability)
0
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B
0
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B. Amazon RDS for MySQL with Multi-AZ
0
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Answer is B
Most of the answers at the top are wrong. I’ve gone through the trouble of correcting all 400 of them for my own study purposes. If you would like a digital copy of this dump please send $40 to paypal.me/lyannabear
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Fuck Off..
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Absolutely, you better do.
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Can you send me a physical address so I can send you my last 40 shits.
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