BUFFER_VIAK25 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 "Structure for Table Buffer for DB Table VIAK25" 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_BUFFER_VIAK25 TYPE BUFFER_VIAK25.
The BUFFER_VIAK25 table consists of various fields, each holding specific information or linking keys about Structure for Table Buffer for DB Table VIAK25 data available in SAP. These include MANDT (Client), BUKRS (Company Code), SWENR (Valid business entity), SNKSL (Service Charge Key)... 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. .