SAP ABAP TYPE MDM01 (MDM01) is using

• Table/Structure Field (29)
• Table (20)

#	Object Type	Object Name	Object Description	Note
1	Table	BALMI	Application Log: APPL_LOG_WRITE_MESSAGES interface
2	Table	BDIDOCSTAT	ALE IDoc status (subset of all IDoc status fields)
3	Table	BDI_MODEL	Exchange structure for queries to the ALE customer model
4	Table	BDMSGTYP	ALE: Message types
5	Table	DFIES	DD Interface: Table Fields for DDIF_FIELDINFO_GET
6	Table	E1MDMRECHEAD	Receipt IDoc: Header Segment
7	Table	EDBAS	Basic types
8	Table	EDIDC	Control record (IDoc)
9	Table	EDIDD	Data record (IDoc)
10	Table	EDI_IAPI02	API Structure for Syntax for IDoc Types and Basic Types
11	Table	MDMEXTRFLD	MDM Field Table for Extraktor Metadata
12	Table	MDMEXTRGRP	MDM Field Group Extraktor Metadata
13	Table	MDMEXTRHEAD	MDM Header Table for Extraktor Metadata
14	Table	MDM_DATA	Help Fields for MDC Framework
15	Table	MDM_EXTRACTOR	MDM Extractor
16	Table	MDM_METAMAINT	MDM: Maintenance of Metadata
17	Table	MDM_REQUEST	Header Data for MDM Request
18	Table	MDM_SELECT	Selection Conditions
19	Table	MDM_SELECT_TRANS	MDM: Storage Location of Selections and Transfer Segments
20	Table	MDM_TRANSFER	Structure for Transfer Segment