Amazon Redshift is a fast, powerful, fully managed data warehouse service that allows for petabyte-scale data warehousing at very low costs. It uses columnar storage and data compression techniques to dramatically reduce I/O and allow for very fast query performance. Redshift automatically provisions clusters on optimized hardware and scales easily from terabytes to petabytes of data with no downtime. It integrates with popular BI tools and simplifies tasks like provisioning, administration, backup/restore and scaling the data warehouse.