SAP ABAP Table DDXTT (Nametab header structure for delayed writing) is used by

• Class (24)
• Function Module (81)
• Program (118)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Class	CL_DD_SOBJECT	Dictionary Core BO	SDCBO	BASIS	SAP_BASIS
2	Class	CL_DD_SQLT_CLUSTER Method: IF_DD_SQLT_TOOLS~ACTIVATE	Table Clusters - Tools	SDTB	BASIS	SAP_BASIS
3	Class	CL_DD_SQLT_CLUSTER	Table Clusters - Tools	SDTB	BASIS	SAP_BASIS
4	Class	CL_DD_SQLT_POOL	Table Pool with Tools	SDTB	BASIS	SAP_BASIS
5	Class	CL_DD_SQLT_POOL Method: IF_DD_SQLT_TOOLS~ACTIVATE	Table Pool with Tools	SDTB	BASIS	SAP_BASIS
6	Class	CL_DD_SQLT_TOOLS	Tools for Table Pools and Table Clusters	SDTB	BASIS	SAP_BASIS
7	Class	CL_DD_SQLT_TOOLS	Tools for Table Pools and Table Clusters	SDTB	BASIS	SAP_BASIS
8	Class	CL_DD_TABLE_CNV_CHECKER	Prepare and Space Check for Conversion	SDDB	BASIS	SAP_BASIS
9	Class	CL_DD_TABLE_CNV_STEPS Method: STEP4	Step Control for T->T Conversions	SDDB	BASIS	SAP_BASIS
10	Class	CL_DD_TABLE_CNV_STEPS_NTNT Method: STEP4	Step Control for NT->NT Conversions	SDDB	BASIS	SAP_BASIS
11	Class	CL_DD_TABLE_CNV_STEPS_NTNT Method: STEP5	Step Control for NT->NT Conversions	SDDB	BASIS	SAP_BASIS
12	Class	CL_DD_TABLE_CNV_STEPS_NTT Method: STEP4	Step Control for NT->T Conversions	SDDB	BASIS	SAP_BASIS
13	Class	CL_DD_TABLE_CNV_STEPS_TT Method: STEP4	Step Control for T->T Conversions	SDDB	BASIS	SAP_BASIS
14	Class	CL_DD_TABLE_CONVERTER Method: DELETE_NAMETAB	DD: Table Converter	SDDB	BASIS	SAP_BASIS
15	Class	CL_DD_TABLE_CONVERTER Method: RUN_CONVERSION	DD: Table Converter	SDDB	BASIS	SAP_BASIS
16	Class	CL_DD_TABLE_CONVERTER Method: ACTIVATE_SUBSTRUC	DD: Table Converter	SDDB	BASIS	SAP_BASIS
17	Class	CL_DD_TABLE_CONVERTER	DD: Table Converter	SDDB	BASIS	SAP_BASIS
18	Class	CL_DD_TABLE_CONVERTER	DD: Table Converter	SDDB	BASIS	SAP_BASIS
19	Class	CL_IUUC_DD_RECEIVER_ABSTRACT	Processing logic of function group IUUC_DD_RECEIVER	CNV_IUUC_SYSTEM_SYNC_RCV	DMIS	DMIS
20	Class	CL_IUUC_DD_RECEIVER_ABSTRACT Method: INSERT_INACTIVE_NAMETAB	Processing logic of function group IUUC_DD_RECEIVER	CNV_IUUC_SYSTEM_SYNC_RCV	DMIS	DMIS
21	Class	CL_IUUC_DD_RECEIVER_ABSTRACT Method: SET_INACTIVE_NAMETAB	Processing logic of function group IUUC_DD_RECEIVER	CNV_IUUC_SYSTEM_SYNC_RCV	DMIS	DMIS
22	Class	CL_IUUC_DD_RECEIVER_ABSTRACT Method: RUN_DIPGNTAB	Processing logic of function group IUUC_DD_RECEIVER	CNV_IUUC_SYSTEM_SYNC_RCV	DMIS	DMIS
23	Class	CL_IUUC_DD_RECEIVER_ABSTRACT Method: DELETE_INACTIVE_NAMETAB	Processing logic of function group IUUC_DD_RECEIVER	CNV_IUUC_SYSTEM_SYNC_RCV	DMIS	DMIS
24	Class	CL_UMG_STATUS_DDXTT Method: CHECK	Check for entries in DDXTT	SUMIG	BASIS	SAP_BASIS