SAP ABAP Table OPR_REF_ID (ID of a referenced operation) is used by

• Table (10)
• TYPE (1)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Table	CHA_INFO	Extra fields for PLMK (insp. char.)	CP	APPL	SAP_APPL
2	Table	CHV_INFO	Additional Fields for PLMW (Class CHV of Insp. Char. Values)	CP	APPL	SAP_APPL
3	Table	CMCOMINF	Extra fields for COM_CLASS_DATA	CP	APPL	SAP_APPL
4	Table	COM_INFO	Additional fields for PLMZ	CP	APPL	SAP_APPL
5	Table	MST_CLASS_DATA	Data for Class for Milestones	CP	APPL	SAP_APPL
6	Table	ODP_OPR_INFO	Additional fields for object dependencies for operations	CP	APPL	SAP_APPL
7	Table	ODP_PRT_INFO	Additional fields for objects dependencies to PRT assignment	CP	APPL	SAP_APPL
8	Table	PAC_CLASS_DATA	Data Related to Class of Maintenance/Inspection Packages	QP	APPL	SAP_APPL
9	Table	PRT_INFO	Additional fields for PLFH	CP	APPL	SAP_APPL
10	Table	REL_CLASS_DATA	Data for Class for Relationships	CP	APPL	SAP_APPL