I'm using AWS free tier and try to create a Redshift cluster, when I select free trial while I'm creating the cluster, I can't attach an IAM role or a security group to the Redshift cluster.Is that meaning I can't do this in the free trial?
The "Free trial" configuration in the Amazon Redshift console provisions a matching cluster. You are correct that it offers minimal configuration options. However, you can modify the cluster after it is launched and attach an IAM Role and change Security Group.
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Redshift currently offers a trial period to provide a first-hand experience before you commit. The newly announced Looker Redshift Trial Experience will take this a step further, allowing users to seamlessly test out an entire data stack, from data warehouse to analytics to dashboards and actions
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