Redshift Spectrum requires a SQL client connected to your Redshift cluster. Redshift Spectrum can be scaled to query over exabytes of data, and when S3 data is aggregated, it’s sent back to your on-premises Redshift cluster for final processing. These requests are distributed across thousands of AWS-managed nodes to maintain query speed and consistent performance. Redshift Spectrum divides user queries into filtered subsets that run concurrently. How does Redshift Spectrum work? Image Source: Redshift Spectrum reduces the time and effort required to perform analysis on data as it eliminates the requirement to move the stored data from the storage service to a database as it can directly query data inside the s3 bucket. The spectrum allows for a seamless analysis since it is directly embedded into the Amazons framework. The spectrum allows for fast, complex, and efficient analysis of objects stored in the AWS cloud. Redshift Spectrum is a feature of the Amazon Redshift data warehouse. What is Redshift Spectrum? Image Source: This article gives a comprehensive comparison between Amazon Redshift vs Redshift Spectrum Table of Contents
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