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The D2000 Archiv process provides value archiving of objects of the D2000 system into an SQL database.
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After deleting a Historical value object, the D2000 Archiv process does not delete the corresponding tables in the archive SQL database. Therefore, after the deleted object is restored (e.g. by XML import from the configuration database backup), the object's data is also restored. The command DROP_LIST was used to delete data from the archive database, which allows for the generation of a text file with a list of SQL commands for deleting unused tables. These commands must then be executed manually. |
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