Find which table's data has been changed in last five hours.

Hi DBA gurus,

 

I need to flashback our EBS database to 10 hours ago, also hope the last
five hours data can be recovered with export/import. Is there a way to
find which table's/schema's data has been changed in last five hours, so
that I could export the schemas/tables before flashback and import them
after flashback?

 

Thanks,

Lu

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