You can create a
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NOTE: For job execution on Redshift datasets, the S3 bucket used to ingest data from the The Redshift cluster must be in the same region as the Redshift clusterdefault S3 bucket.
NOTE: If a Redshift connection has an invalid iamRoleArn, you can browse, import datasets, and open the data in the Transformer page. However, any jobs executed using this connection fail. If the iamRoleArn is invalid, the only samples that you can generate are Quick Random samples; other sampling jobs fail.