If

database ingestion and replication

incremental load or combined initial and incremental load jobs replicate LOB source data to an Amazon S3 target and use the CSV format for the target output file, the LOB data appears as empty strings in the target file.

(November 2022)

Although the Amazon S3 connection properties allow users to specify an IAM role, you cannot use temporary security credentials generated by the AssumeRole method of the AWS Security Token Service API to authorize user access to AWS Amazon S3 resources.

(April 2020)