OBTYP_RG is a standard SAP Structure so does not store data like a database table does. It can be used to define the fields of other actual tables or to process "Structure for Range Tables for Data Element J_OBTYP" Information within sap ABAP programs. This is done by declaring abap internal tables, work areas or database tables based on this Structure. These can then be used to store and process the required data appropriately. i.e. DATA: wa_OBTYP_RG TYPE OBTYP_RG.
The OBTYP_RG table consists of various fields, each holding specific information or linking keys about Structure for Range Tables for Data Element J_OBTYP data available in SAP. These include OPTION (Relational Operator), LOW (Object Category), HIGH (Object Category)... See below for full list along with technical details, documentation, text table, check tables, foreign key relationships, conversion routines, relevant tcodes and example ABAP select code etc. .