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) |


