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# Configuring Historical Sessions Using a TopLink HistoryPolicy

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If you use a schema that you designed to maintain historical versions of objects and if that schema can be described by TopLink `HistoryPolicy`, you can query the historical versions of objects maintained by your database in accordance with your schema.

For more information, see the following:

- "Configuring a History Policy"

- "Acquiring a Historical Session"

- "Historical Queries".