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I have a database on a remote server whose BLOB fields are corrupted. I have fields in an earlier copy of the database which duplicate a portion of the corrupted data. I would like to overwrite the damaged copies in the remote table with the undamaged data from the local server.

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Which DBMS are you using? Oracle? PostgreSQL? How did you create the backup (which tool)? Is the backup restored to a database or do you only have the backup file? Please edit your question to add those vital bits of information. – a_horse_with_no_name Jan 15 at 7:57

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