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Name of the table (Those records are kept in the table DBBackupItem),
METADATA is hard-coded
null is the hard-coded,
The scope key.
In case of a Confluence export, it’s the space key (before exporting);
In Jira it’s the project key (before exporting).
If all data was exported, null,
This field has the effect that all data in Confluence or Jira within this scope will be deleted.
This field is mapped on the target instance. If you export the space ABC, and you map ABC → DEF on the target instance, then DEF will be deleted and reimported.
If you need to ignore the scope and not delete any data, then one idea is to set this value to a non-existing space/project. However, in Jira, links will be imported in duplicate if they already exist, so you must clean up the data yourself before an import.
The author key,
The date of the export.
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