PRICAT_ALLOC_EXT 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 "Price Catalog: PRICAT_ALLOC & Groupname" 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_PRICAT_ALLOC_EXT TYPE PRICAT_ALLOC_EXT.
The PRICAT_ALLOC_EXT table consists of various fields, each holding specific information or linking keys about Price Catalog: PRICAT_ALLOC & Groupname data available in SAP. These include MANDT (Client), KATALOGART (Customizing for Price Catalog: Catalog Type), STRUKTUR (Customizing for Price Catalog: Catalog Structure), STRUKTURTYP (Price Catalog: Structure Type of Enhancement Structure)... 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. .