Title: Amazon Redshift Getting Started Guide
Author: Amazon Web Services
Price: FREE
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This is official Amazon Web Services (AWS) documentation for Amazon Redshift.

Amazon Redshift is a fast, fully managed, petabyte-scale data warehouse service that makes it simple and cost-effective to efficiently analyze all your data using your existing business intelligence tools. It is optimized for datasets ranging from a few hundred gigabytes to a petabyte or more and costs less than $ 1,000 per terabyte per year, a tenth the cost of most traditional data warehousing solutions.