![]() ![]() ![]() Select the Redshift service and Redshift - Customizable The following figure shows the access error:Ĭreate an IAM Role to Allow an Amazon Redshift Cluster to Access the S3 Service If you receive the "S3ServiceException: Access Denied" error when you run the COPY, UNLOAD or CREATE LIBRARY command, your cluster does not have proper access to Amazon S3. The following screenshots show the pages where you can download the JDBC driver and view the JDBC URL.īefore unloading data to S3, make sure that you have the required IAM permissions. Method 2: Preview Data by Using Workbench/Jįor more information about downloading and configuring Workbench/J, visit Preview Data in Amazon Redshift Method 1: Preview Data in the Query Editor for AWS If a connection times out during configuration, you must configure a security policy in the ECS VPC security group. Driver" in the Classname text field.Ĭonfigure a new connection, select the driver that you just created, copy JDBC URL, database username, and password, and check Autocommit. We recommend that you use SQL Workbench/J.ĭownload the Amazon Redshift JDBC Driver at (version 4.2 is recommended).Ĭreate a new driver in SQL Workbench/J, select the driver's downloaded jar file and enter "42. The Amazon Redshift Query Editor may often report some strange errors. In this article, SQL Workbench/J is used to connect Redshift for case demonstration. The following figure describes the overall migration process from Redshift to MaxCompute: MaxCompute then directly reads data from OSS by using external tables. To migrate data from Amazon Redshift to Alibaba Cloud MaxCompute, the data usually needs to be unloaded to S3 first and then to Alibaba Cloud Object Storage Service (OSS). ![]()
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