ALM_ME_ORDER_HEADER_ADDON 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 "Order Header Additional Data" 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_ALM_ME_ORDER_HEADER_ADDON TYPE ALM_ME_ORDER_HEADER_ADDON.
The ALM_ME_ORDER_HEADER_ADDON table consists of various fields, each holding specific information or linking keys about Order Header Additional Data data available in SAP. These include SALESORG (Sales Organization), DISTR_CHAN (Distribution Channel), DIVISION (Division), SALES_OFF (Sales Office)... 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. .