A997 is a standard SAP Table which is used to store Sales document/MnItm PrcRefMatl/Personnel Number data in SAP systems, such as SAP R/3, S/4HANA, depending on the version and release level.
The A997 table consists of various fields, each holding specific information or linking keys about Sales document/MnItm PrcRefMatl/Personnel Number data available in SAP. These include KAPPL (Application), KSCHL (Condition type), VBELN (Sales and Distribution Document Number), UPMAT (Pricing reference material of main item)... 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. .