What is the difference between AWS Elastic MapReduce and AWS Redshift
<p>I see that AWS Elastic MapReduce and AWS Redshift both use a cluster structure and can be used for data analysis. What are the different use cases for them?</p>

<p><a href="http://docs.aws.amazon.com/redshift/latest/dg/c_redshift_system_overview.html" rel="noreferrer"><strong>Amazon Redshift</strong></a> supports client connections with many types of applications, including business intelligence (BI), reporting, data, and analytics tools.</p>

<p><a href="http://docs.aws.amazon.com/ElasticMapReduce/latest/ManagementGuide/emr-what-is-emr.html" rel="noreferrer"><strong>Amazon Elastic MapReduce</strong></a> (Amazon EMR) is a managed cluster platform that simplifies running big data frameworks, such as Apache Hadoop and Apache Spark, on AWS to process and analyze vast amounts of data.</p>