PRICAT_REF_EXT4 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: Structure with Reference" 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_REF_EXT4 TYPE PRICAT_REF_EXT4.
The PRICAT_REF_EXT4 table consists of various fields, each holding specific information or linking keys about Price Catalog: Structure with Reference data available in SAP. These include EAN_UPC_ALTUNIT (PRICAT: EAN/UPC code of the unit of measure), VALIDITY_UNIT (PRICAT: Date From Which the Unit Change is Valid), REF (), FLAG (General Flag)... 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. .