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IMPDP a 11g exp dmp file to 19c and set of tables start with MD_ in the names were created in schema

in Database Utilities (MOSC) 15 commentsAnswered

After importing an oracle 11g dmp file on my new oracle 19c instances, a

set of tables with names start with MD_ were created.  Did some research

and found that the MD_tables are used by oracle migration workbench,

but oracle migration workbench is not installed on 19c instance. 

What created the MD_ tables? is it safe to remove them?  Thank you.

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