Hi @zhangjie, thanks for the context and details. The incremental refresh option is available only if the dataset consists of one single table or one single query, i.e. if you join multiple tables, you have to write the join as one single query.
Here are several resources that maybe of help.
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Hi @zhangjie, if the issue still persists, I would recommend filing a case with AWS Support where we can dive into the details so that we can help you further. Here are the steps to open a support case. If your company has someone who manages your AWS account, you might not have direct access to AWS Support and will need to raise an internal ticket to your IT team or whomever manages your AWS account. They should be able to open an AWS Support case on your behalf. Hope this helps!