Field Catalogs
A field catalog includes all of the fields that can be selected when creating or maintaining an archive information structure. You can use it to specify which fields are incorporated in the information structure, and whether they should be key fields or data fields. You can decide whether key- or data fields should be incorporated into the information structure. The fields contained in a field catalog are always archiving object-specific.
You can create new field catalogs and edit existing ones.
Standard catalogs, which are designed to cover most application requirements, are supplied with the standard system's archive information system. You should therefore create your own field catalogs only if the fields contained in the standard catalogs do not meet your requirements.
If the standard transaction in the application permits only standard SAP field catalogs, the system does not take customer-specific field catalogs into account.
You need to have some expert knowledge to use this function. For example, you should be familiar with the data model of the archiving object up to table level.
Editing Available Field Catalogs
You can change the definition of the available field catalogs, for example, by adding further source fields or changing the allocation of data- and key fields. The procedures for creating field catalogs are applicable in this case (see below).
You must copy a standard field catalog from the SAP namespace into your own namespace before you make any changes to it, that is, before you change it to a customer-specific catalog. All entries that begin with "SAP" belong to the SAP namespace and you should not make changes to them.
Creating New Field Catalogs
To create a new field catalog, you have the following options:
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Use fields from a source table
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Use fields from multiple source tables
For more information, see Creating Field Catalogs (One Source Table).
Deleting Field Catalogs
Before you delete a field catalog, you must first delete all of the archive information structures that use this field catalog. A deletability check prevents the deletion of catalogs that are still in use. If you try to delete an SAP standard field catalog, the system issues a warning message to this effect.