A data editing method by which reduction of the burden of an editing process regarding stream data recorded on a recording medium is anticipated and a higher speed editing operation can be achieved. Stream data recorded on a recording medium are presupposed to be managed as a file by a file system. The stream data are managed in a unit of a track by a track managing data file managed by the file system. Editing of division or erasure in a unit of a track is executed by rewriting contents of track management information which defines each track in the track managing data file. With the configuration, when a division or erasure editing process in a unit of a track is performed, there is no necessity to rewrite the file system.

 
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> Methods and systems for auto-partitioning of schema objects

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