SAP ABAP Program MASSBACK (Mass Maintenance in the Background) is using

• Data Element (1)
• Table/Structure Field (13)
• Function Module (2)
• Message Class (1)
• Message Number (2)
• Table (6)

#	Object Type	Object Name	Object Description	Note
1	Table	MASSAPPEX	Application Exits for an Object
2	Table	MASSFUNC	Mass Maintenance: Functions for Updating the Database
3	Table	MASSSCREEN	Input Template for Mass Maintenance
4	Table	MASSVARIANT	Variants: Basic Information
5	Table	MASS_VARIANT	Variants for Mass Maintenance (Transfer Structure)
6	Table	SCREEN	Structure Description for the System Data Object SCREEN