SAP ABAP Table PIQRFC_CATEGORY (Categories for RFC Modules) is using

• Data Element (19)
• Table (3)

#	Object Type	Object Name	Object Description	Note
1	Table	HRI1731	Category
2	Table	HRIKEY	Extended Key Definition of PD Infotypes
3	Table	Q1731	Screen Fields for Infotype 1731 (Category)