duplicate content

[vanfun87]

Error Report

Please answer the following questions before submitting your issue. Thanks!

1. What is the URL/path of the document related to this issue?
   https://docs.pingcap.com/tidbcloud/migrate-from-mysql-using-data-migration/

2. How would you like to improve it?
   Here is a duplicate content 'information_schema' in "Filtered out and deleted databases"