SAP ABAP Program BEL00TOP (Resource Reservation: Data Definition) is using

• Table/Structure Field (30)
• Table (15)

#	Object Type	Object Name	Object Description	Note
1	Table	DD03D	Dynpro fields for table fields
2	Table	HRI1001	Internal Structure Description for External Relationships
3	Table	HROBJECT	Object
4	Table	HRSOBID	Extended Object
5	Table	OBJEC	Work Area for Database PCH
6	Table	P1000	Infotype 1000: Object Name
7	Table	P1001	Infotype 1001: Relationships
8	Table	PDORG	Shift Planning: Organizational Unit Data
9	Table	PLOG	Planning and Organization File
10	Table	PP0J	Parameter string for program class PP0J
11	Table	Q1022	Screen Fields for Infotype 1022 (Schedule Information)
12	Table	RHVG_BOXES	GANTT chart: data for boxes
13	Table	RHVG_NODES	GANTT chart: data for nodes (bars)
14	Table	SCAL	Structure for factory calendar function modules
15	Table	T777O	Object Type Texts