SAP DD12B Table – DD: Secondary Index Headers for Structured Objects

The DD12B table in SAP ERP or S/4HANA stores DD: Secondary Index Headers for Structured Objects data. There are total 6 fields in DD12B table. The DD: Secondary Index Headers for Structured Objects table is available in all major of SAP S/4HANA versions and is implemented as a Column Store table within the SAP HANA database. Additionally we provide an overview of the structure and fields of DD12B table. It is in RDL Artifacts (SDCBO) ABAP package and is part of the ABAP Dictionary (BC-DWB-DIC) module.

SAP DD12B Table Fields

Following is the list of fields that are available in SAP DD12B table. The primary key fields of DD: Secondary Index Headers for Structured Objects table in SAP are STRUCOBJN (DD: Name of a structured object (e.g. entity, context)), NODENAME (Node Name of BO in ABAP Dictionary), INDEXNAME (Unique Index ID in a Table), AS4LOCAL (Activation State of Repository Object).

Field Description Data Element Check Table Data Type
STRUCOBJN DD: Name of a structured object (e.g. entity, context) DDSTRUCOBJNAME CHAR (30)
NODENAME Node Name of BO in ABAP Dictionary DDNODENAME CHAR (30)
INDEXNAME Unique Index ID in a Table INDEXID CHAR (3)
AS4LOCAL Activation State of Repository Object AS4LOCAL CHAR (1)
UNIQUEFLAG Flag for UNIQUE indexes UNIQUEFLAG CHAR (1)
ISEXTIND DD: Flag if index is extension index DDISEXTIND CHAR (1)