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DSpace 5 database schema (Postgres). RightClick on the thumbnail, then right-click the image and choose "Save as" to save in full resolution. Instructions on updating this schema diagram are in How to update database schema diagram.

Most of the functionality that DSpace uses can be offered by any standard SQL database that supports transactions. However at this time, DSpace APIS use some features specific to PostgreSQL and Oracle, so some modification to the code would be needed before DSpace would function fully with an alternative database back-end.

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