SAP ABAP Table USMD0026 (Data Model: Foreign Key Definition) is used by

• Class (11)
• Function Module (1)
• PINF (3)
• Program (6)
• View (2)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Class	CL_MDG_DT_MODEL_ACCESS Method: READ_MODEL_DEFINITION	Configuration Workbench Access Class	MDG_DT_DATA_MODELING	MDG_FND	MDG_FND
2	Class	CL_MDG_DT_MODEL_ACCESS Method: DELETE_MODEL_DEFINITION	Configuration Workbench Access Class	MDG_DT_DATA_MODELING	MDG_FND	MDG_FND
3	Class	CL_MDG_DT_MODEL_ACCESS Method: GET_OBJSTAT_DIFF	Configuration Workbench Access Class	MDG_DT_DATA_MODELING	MDG_FND	MDG_FND
4	Class	CL_USMD_DELETE_DATA_MODEL Method: DELETE_MODEL_DATA	Deletion of an Active Data Model	USMD1	MDG_FND	MDG_FND
5	Class	CL_USMD_MDF_KEY_META Method: INIT	Key Treatment: Generation	USMD1B	MDG_FND	MDG_FND
6	Class	CL_USMD_MDF_MODEL_GENERATOR Method: GET_DEFINED_VERSIONS	Generator for Data Model	USMD1B	MDG_FND	MDG_FND
7	Class	CL_USMD_MDF_MODEL_GENERATOR Method: COPY_TO_OTHER_VERSION	Generator for Data Model	USMD1B	MDG_FND	MDG_FND
8	Class	CL_USMD_MDF_MODEL_GENERATOR	Generator for Data Model	USMD1B	MDG_FND	MDG_FND
9	Class	CL_USMD_MDF_MODEL_GENERATOR Method: FIND_OTHER_ATTR_TABLE_FIELDS	Generator for Data Model	USMD1B	MDG_FND	MDG_FND
10	Class	CL_USMD_MDF_MODEL_GENERATOR Method: FIND_ATTRIBUTES	Generator for Data Model	USMD1B	MDG_FND	MDG_FND
11	Class	CL_USMD_MDF_MODEL_GENERATOR Method: GET_FOREIGN_KEY_RELATION	Generator for Data Model	USMD1B	MDG_FND	MDG_FND