SAP ABAP Table DDUDT (DD: Include for user, date, time) is used by

• Table (11)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Table	/GC1/STR_DDIC_TTYP_METADATA	Meta data for reconstructing DDIC table type	/GC1/BASIC_CONTENT	ABA	SAP_ABA
2	Table	CKEXUTIL_SERVICES	Detail Information Services + Row Type	CKEXECUTION	APPL	SAP_FIN
3	Table	CNVCDMCUCIA_DD40V	DD: Interface structure for table types	CNV_CDMC_DDICOBJS	BSTPI_STRUCTURE	ST-PI
4	Table	CNVCDOPUCIA_DD40V	DD: Interface structure for table types	CNV_CDOP_UCIA_01	DMIS	DMIS
5	Table	CNVCMIS_A_1_TTYP	Table types for Repository Analysis	CNV_CMIS_A_10	DMIS	DMIS
6	Table	DD30L	Search helps	SDSH	BASIS	SAP_BASIS
7	Table	DD40L	Table types (internal tables defined in DD)	SDTT	BASIS	SAP_BASIS
8	Table	DD40V	DD: Interface structure for table types	SDTT	BASIS	SAP_BASIS
9	Table	DD90L	Header Information for External Index	SDSH	BASIS	SAP_BASIS
10	Table	FINB_GN_TTYP_SOURCE	Source Data of a Table Type	FINB_GENERATOR_RFC	FINANCIAL_BASIS	FINBASIS
11	Table	MDG_GN_TTYP_SOURCE	Source Data of a Table Type in Master Data Environment	MDG_GENERATOR_RFC	MDG_FND	MDG_FND