KPP0DD is a standard SAP Structure so does not store data like a database table does. It can be used to define the fields of other actual tables or to process "CO PlanProcessor: Dimension table appendix - dictionary info" Information within sap ABAP programs. This is done by declaring abap internal tables, work areas or database tables based on this Structure. These can then be used to store and process the required data appropriately. i.e. DATA: wa_KPP0DD TYPE KPP0DD.
The KPP0DD table consists of various fields, each holding specific information or linking keys about CO PlanProcessor: Dimension table appendix - dictionary info data available in SAP. These include FIELDNAME (Field Name), OFFSET (Offset of a field), DOMNAME (Domain name), LENG (Length (No. of Characters))... See below for full list along with technical details, documentation, text table, check tables, foreign key relationships, conversion routines, relevant tcodes and example ABAP select code etc. .