SAP ABAP Program RSDB4EXP (DB2/400: Explain) is using

• Class (1)
• Data Element (4)
• Table/Structure Field (49)
• Function Module (15)
• Message Class (2)
• Message Number (2)
• Class Method (5)
• Program (5)
• Table (6)
• Transaction Code (13)

#	Object Type	Object Name	Object Description	Note
1	Message Number	D4 - 040	Report & is only valid for database system DB2/400
2	Message Number	D4 - 601	Error when calling function module &1