SAP ABAP Class CL_SQLM_METADATA (Metadata service) is using

• Class (5)
• Data Element (4)
• Table/Structure Field (16)
• Function Module (1)
• Class Method (4)
• Table (4)

#	Object Type	Object Name	Object Description	Note
1	Table	DD02L	SAP Tables
2	Table	DD06L	Pool/cluster structures
3	Table	DD09L	DD: Technical settings of tables
4	Table	X030L	Nametab Header, Database Structure DDNTT