HR ABAP development is different that ABAP development in the other modules.
SAP HR ABAP Online Training
In general ABAP we use Logical data base very rare, as in HR ABAP most of the programs use Logical data base to select data from Infotypes by using Get event. In ABAP we use read statement to read particular record,
still in HR ABAP we do use read statement apart from that we have Macros and provide statement.This module permits the Organizations to effectively manage the knowledge about the Employees in their organization.
It is tightly integrated with other SAP modules and outside systems.
What you will learn
SAP ABAP HR Component is to be able to process employee related data according to business requirements in an effective structure. The Human Resources module uses a system of data grouped together called infotypes.