Hi K K,
Infotype: Infotypes means Logical grouping of data fields and these are instances of the database tables also to store HR master date of an employees in form of tables.
Ex: In OM to store the data like organizational objects, relationships and their hierarchy levels as well as description.
Please find the below mentioned major Infotypes in OM.
OM Infotypes starts with 1000 to 1999.
1000 - Creation of (Objects)
1001 - Relationship between 2 objs
1002 - Description of objs
1003 - Department
1004 - Character
1007 - Vacancy
1008 - Account Assignment
1009 - Health
1011 - Work Schedule
1013 - Employee Group/Sub Group
1015 - Cost Planning
1016 - Standard Profiles
1017 - PD Profiles
1028 - Addresses