Amazon Redshift User Manual

4. In the cluster summary page, click Modify.
5. In the Modify Cluster dialog box, make the changes to the cluster, and then click Modify.
In the following example, a cluster not provisioned in a VCP is modified so that two security groups
are associated with the cluster.To associate multiple security groups with a cluster, you can select
multiple items from the Cluster Security Groups list.
In the following example, a cluster provisioned in a VPC is modified so that two VPC security groups
are selected to be associated with the cluster.To associate multiple VPC security groups with a
cluster, you can select multiple items from the VPC Security Groups list.
API Version 2012-12-01
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Amazon Redshift Management Guide
Modifying a Cluster

Amazon Redshift Specifications

General

Provider	Amazon Web Services (AWS)
Query Language	SQL
Data Storage	Columnar storage
Security	Encryption at rest and in transit, VPC, IAM
Backup	Automated and manual snapshots
Deployment	Cloud-based
Type	Cloud-based data warehouse service
Primary Use	Data warehousing, analytics
Integration	Integrates with AWS services, BI tools, and ETL tools
Pricing Model	On-demand and reserved instance pricing
Data Compression	Columnar storage with data compression
Performance Optimization	Query optimization