SAP ABAP Table GHCL (Classification: Internal Table for Class Hierarchy) is used by

• Class (11)
• Function Module (42)
• Program (90)
• Table (1)
• TTYP (1)
• TYPE (2)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Class	/PLMI/CL_CLH_SP Method: QUERY_DOWN	Service Provider Class Hierarchie	/PLMI/SP_CLF	BS_REUSE	SAP_BS_FND
2	Class	/PLMI/CL_CLH_SP Method: QUERY_UP	Service Provider Class Hierarchie	/PLMI/SP_CLF	BS_REUSE	SAP_BS_FND
3	Class	CL_CLS_MAIN Method: CHARACT_SEQUENCE	Classes: Main Processing	CL	ABA	SAP_ABA
4	Class	CL_CULL_INSTANCE Method: CHECK_SUBTYPE	Low-Level Instance	AP_CULL_EVALUATION	CBASE_STRUC_GEN	SAP_AP
5	Class	CL_PMEVC_ENGINE_MATERIAL Method: LOAD_INHERITED_CSTICS	Configurable Material	PME_VC_EDITION	EA-PLM	EA-APPL
6	Class	CL_PPELISCMPV_CNTL Method: DETERMINE_CLINTS	Status at CMP Variant	CPPESCMPV	EA-IPPE	EA-IPPE
7	Class	CL_PPER3E_CLASS Method: IF_EX_IPPE_CLASS~HIERARCHY_GET	BAdI Implementation for IPPE_CLASS	CPPER3E_CLASS	EA-PLM	EA-APPL
8	Class	CL_WSD_KEYWORD_SYNC	Maintainence Class for Keyword Synchronization	WSD_CS_FU	APPL	SAP_APPL
9	Class	CL_WSD_KEYWORD_SYNC	Maintainence Class for Keyword Synchronization	WSD_CS_FU	APPL	SAP_APPL
10	Class	CL_WSD_KEYWORD_SYNC	Maintainence Class for Keyword Synchronization	WSD_CS_FU	APPL	SAP_APPL
11	Class	XCO_CHARS	Characteristics and Values	CPPEOM	EA-IPPE	EA-IPPE