The open source version of the Amazon Aurora User Guide. You can provide feedback by submitting issues in this repo, or propose changes by submitting a pull request.
It looks like this correction has already been applied in the main branch. I'll merge the pull request, since it doesn't cause any conflicts. Thanks for the contribution!
https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/mysql_rds_set_external_master.html only accepts a single string for username, not
'user'@'host'
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